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Trial registered on ANZCTR
Registration number
ACTRN12617000742370
Ethics application status
Approved
Date submitted
14/05/2017
Date registered
22/05/2017
Date last updated
22/05/2017
Type of registration
Retrospectively registered
Titles & IDs
Public title
OPTAmising prevention of delirium and other risks for older people in the ED through use of an assistant workforce: a pre- post study.
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Scientific title
OPTAmising prevention of delirium and other risks for older people in the ED through use of an assistant workforce: a pre- post study.
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Secondary ID [1]
291940
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Nil known
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Universal Trial Number (UTN)
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Trial acronym
OPTA
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Delirium
303277
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Condition category
Condition code
Neurological
302706
302706
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0
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Dementias
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
The intervention was four full time equivalent (FTE) Older Person Technical Assistants (OPTAs) will be rostered between 8 am to 8pm in the ED, seven days a week for 12 months in 8 hour shifts. The OPTAs focus on screening and the supportive care of people over the age of 75 years who were not experiencing life threatening situations.
The prerequisites for selection as an OPTA include previous training or experience as a health care assistant or equivalent. On commencement in the ED, over a 5 day period ,the OPTAs will be oriented to the ED and hospital environment, trained and assessed in competency as assistants in nursing, patient privacy and dignity as well as the screening tools. They will be instructed on recording screening findings and supportive care in the electronic patient management system.
Screening undertaken includes:
*Six item screener, a brief cognitive assessment screen designed for EDs
*Confusion Assessment Method Instrument (CAMI) for delirium
*Falls Risk for Hospitalised Older People, a falls screening tool
*Identification of Seniors at Risk, a tool to identify patients at risk for ED representation
*Numerical rating scale for pain
*Waterlow screening tool for pressure injury risk screening
*Mini-Nutritional Assessment for nutrition and
*Modified Care Strain Index to screen for caregiver strain with long-term family caregivers.
In line with Australian clinical practice guidelines for the management of people with delirium, preventative environmental and clinical practice strategies are incorporated into the role. This multicomponent delirium prevention strategy consists of orienting the person to the ED environment, attending to nutrition, hydration and elimination needs, providing sensory and mobility aids, supervising and assisting moving, support when agitated and facilitating carer presence as often as possible. A delirium prevention box is available for OPTAs to use with patients this included daily newspapers, playing cards, games and puzzles, crosswords, a radio with ear phones and a clock. OPTAs also provided support to carers in the ED who are often older people themselves.
The setting is a tertiary referral hospital Emergency Department in New South Wales, Australia. In the year prior to this study, the ED had 67,000 ED presentations, 13 % of which were by patients over 75 years of age.
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Intervention code [1]
298060
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Early detection / Screening
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Comparator / control treatment
All patients presenting to the tertiary referral Emergency Department over the age of 75 years.
Patients presenting the year before the OPTA Intervention, 1st July 2010 to 30th June 2011 were compared to patients seen by OPTAs 1st July 2011 to 30th June 2012.
In order to determine the extent to which screening, assessment and care interventions known to prevent delirium and other adverse events in older people were documented as having been undertaken in the ED, the medical records of 63 patients will be randomly selected for a medical record documentation audit, undertaken by members of the research team comparing the same period, 1st March 2010 to 30th June 2010 compared to 1st March 2012 and 30th June 2012.
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Control group
Historical
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Outcomes
Primary outcome [1]
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Delirium is assessed using the Confusion Assessment Method (CAM)
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Assessment method [1]
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Timepoint [1]
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During hospital stay
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Secondary outcome [1]
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Admission to hospital
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Assessment method [1]
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Timepoint [1]
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After Emergency Department visit
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Secondary outcome [2]
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Emergency Department length of stay
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Assessment method [2]
335015
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Timepoint [2]
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Minutes in the ED
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Secondary outcome [3]
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Hospital inpatient length of stay
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Assessment method [3]
335016
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Timepoint [3]
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Days in hospital
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Secondary outcome [4]
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Quality of medical record documentation of screening in the ED, pain, falls risk, pressure Injury risk, nutrition, cognition
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Assessment method [4]
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Timepoint [4]
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Documentation during ED visit. Assessed by pre and post medical record audit.
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Secondary outcome [5]
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Quality of medical record documentation of supportive care in the ED, review of pain, given food or fluids,orientation, toileting, mobilisation, pressure care and family or carers in attendance
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Assessment method [5]
335057
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Timepoint [5]
335057
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Documentation during during ED visit. Assessed by pre and post medical record audit.
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Eligibility
Key inclusion criteria
All patients presenting to the Emergency Department
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Minimum age
75
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Patients who are critically unwell, requiring resuscitation and patients who are have low complexity presentations and most likely discharged from hospital
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Safety/efficacy
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Statistical methods / analysis
OPTA screening scores were compared with Aged Services Emergency Team (ASET) RNs. These advanced clinical RNs target care for older patients with chronic and complex care needs in the ED. The scores obtained by OPTAs and those obtained by RNs for each screening tool were compared using weighted Kappa; 95% Confidence Intervals were calculated using the Jackknife variance estimation method. In order to calculate correlation, a smaller group of patients was screened independently by one of the five OPTAs as well as one of the six RNs. To account for possible correlations between patients with the same OPTA/RN screening, a variable with the OPTA/RN identifier was added as a clustering variable.
In order to determine the extent to which screening, assessment and care interventions known to prevent delirium and other adverse events in older people were documented as having been undertaken in the ED, the medical records of 63 patients were randomly selected for the medical record documentation audit, undertaken by members of the research team comparing the same period, 1st March 2010 to 30th June 2010 compared to 1st March 2012 and 30th June 2012. The medical record audit reviewed evidence of documentation for assessment of delirium risk factors, including pain, falls, pressure injury care, nutrition and cognition as well as evidence for support care provided in the ED that prevents or assists with the management of delirium including ongoing pain review, provision of food or fluids, orientation, toileting, mobilization, pressure care and family or carers in attendance with the patient. Results were compared using student t-test.
Focus group interviews were recorded and transcribed verbatim. Focus group data were analysed thematically. Significant statements were highlighted and clustered around the goals of the model of care.
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
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Actual
1/07/2011
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Date of last participant enrolment
Anticipated
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Actual
1/07/2012
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Date of last data collection
Anticipated
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Actual
5/05/2017
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Sample size
Target
3000
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Accrual to date
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Final
3542
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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John Hunter Hospital - New Lambton
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Recruitment postcode(s) [1]
16003
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2305 - New Lambton
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Funding & Sponsors
Funding source category [1]
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Hospital
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Name [1]
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John Hunter Hospital
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Address [1]
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Locked Bag 1
Newcastle Regional Mail Centre
New Lambton Heights New South Wales 2305
Australia
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Country [1]
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Australia
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Primary sponsor type
Hospital
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Name
John Hunter Hospital
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Address
Locked Bag 1
Newcastle Regional Mail Centre
New Lambton Heights New South Wales 2305
Australia
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
295405
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None
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Address [1]
295405
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Country [1]
295405
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
297677
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Hunter New England Local Health Districy
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Ethics committee address [1]
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C/O Dr Nicole Gerrand Manager, Research Ethics and Governance Research Ethics and Governance Office Locked bag 1, New Lambton, NSW, 2305
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Ethics committee country [1]
297677
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Australia
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Date submitted for ethics approval [1]
297677
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16/02/2011
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Approval date [1]
297677
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16/02/2011
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Ethics approval number [1]
297677
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11/02/16.5.01; HREC/10/HNE/402; SSA/10/HNE/402)
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Summary
Brief summary
Background: Older people who present to the Emergency Department experience high rates of prevalent and incident delirium. This study aimed to determine whether an assistant workforce in the Emergency Department could effectively conduct screening to inform assessment and care planning of older persons as well as provide supportive care activities for prevention of delirium. Methods: This study used a pre-post design. Data was collected before and after the introduction of Older Person Technical Assistants (OPTAs) in the ED and included: recording of OPTA activity during the intervention period; a medical record audit undertaken prior to the implementation and 9 months after implementation; and focus group interviews with Emergency Department Staff. The data was analysed using descriptive statistics to describe the activity of the OPTAs. Weighted Kappa scores were calculated to compare the concordance between OPTA screening scores with Aged Services Emergency Team (ASET) Nurses; changes in the rates of documented screening and supportive care that is recommended in the prevention and care of people with or at risk of developing delirium. Qualitative descriptive analysis was used to examine focus group data. Results: 3542 people were seen on 4563 visits by OPTAs between 1st July 2011 and 2012. The reproducibility of all screening tools were found to be very high between the OPTAs and the RNs, with Kappas and ICCs generally all above 0.9. The medical record audit showed significant improvement in the rates of documented screening, including cognition from 1.5% to 38% (p<0.001) and review of pain from 29% to 75% (p<0.001). Supportive care related to delirium prevention also improved with patients being given fluids or food increasing from 13% to 49% (p< 0.001) and pressure care from 4.8% to 30% (p,0.001). Focus group interviews describe mixed response and support of the OPTA role in the ED. Conclusions: An assistant workforce deployed in an ED setting was found to provide comparable screening results and improve the rates of documented screening and supportive care provided to older people with or at risk of developing delirium in the ED. Implementation of such a model of care requires dedicated staff, robust screening, and comprehensive and systematic assessment and management of care and ongoing treatment.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Dr Carolyn Hullick
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Address
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Emergency Department
John Hunter Hospital
Lookout Road
New Lambton Heights NSW 2305
Australia
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Country
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Australia
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Phone
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+61249213533
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Fax
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Email
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[email protected]
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Contact person for public queries
Name
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Carolyn Hullick
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Address
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Emergency Department
John Hunter Hospital
Lookout Road
New Lambton Heights NSW 2305
Australia
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Country
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Australia
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Phone
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+61249213533
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Name
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Carolyn Hullick
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Address
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Emergency Department
John Hunter Hospital
Lookout Road
New Lambton Heights NSW 2305
Australia
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Country
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Australia
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Phone
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+61249213533
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Fax
74788
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Email
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
Source
Title
Year of Publication
DOI
Embase
An assistant workforce to improve screening rates and quality of care for older patients in the emergency department: findings of a pre- post, mixed methods study.
2018
https://dx.doi.org/10.1186/s12877-018-0811-6
N.B. These documents automatically identified may not have been verified by the study sponsor.
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