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Trial registered on ANZCTR
Registration number
ACTRN12614000704695
Ethics application status
Approved
Date submitted
17/06/2014
Date registered
3/07/2014
Date last updated
3/07/2014
Type of registration
Prospectively registered
Titles & IDs
Public title
Correlation between glycated haemoglobin (HbA1c) and length of stay in hospital in total hip and knee replacements: A prospective observational cohort study
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Scientific title
Correlation between glycated haemoglobin (HbA1c) and length of stay in hospital in total hip and knee replacements
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Secondary ID [1]
284883
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Nil known
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Universal Trial Number (UTN)
Nil known
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Trial acronym
Nil known
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Elevated HbA1c
292196
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Condition category
Condition code
Metabolic and Endocrine
292534
292534
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0
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Metabolic disorders
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Intervention/exposure
Study type
Observational
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Patient registry
True
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Target follow-up duration
4
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Target follow-up type
Weeks
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Description of intervention(s) / exposure
HbA1c to be added test to standard preoperative pathology. Correlation of HbA1c level to length of stay recorded by observation.
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Intervention code [1]
289606
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Not applicable
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Comparator / control treatment
Not applicable. Correlation study between HbA1c level and length of stay.
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Is there a statistically significant correlation between HbA1c level and length of stay in hospital following primary elective total hip or total knee replacement? HbA1c is tested by blood assay.
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Assessment method [1]
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Timepoint [1]
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From day 1 at pre admission clinic until discharge from hospital
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Secondary outcome [1]
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Correlation between HbA1c and length of stay while accounting for age, BMI and gender.
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Assessment method [1]
308862
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Timepoint [1]
308862
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From day 1 at pre admission clinic until discharge from hospital
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Eligibility
Key inclusion criteria
Undergoing primary elective unilateral total hip or knee replacement at Mackay Base Hospital
Over 18 years old
Competent to consent
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Minimum age
18
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
Under 18 years old
Unable to provide consent
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Study design
Purpose
Screening
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Duration
Cross-sectional
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Selection
Defined population
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Timing
Prospective
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Statistical methods / analysis
Primary analysis by two-tailed bivariate correlation of HbA1c with length of stay using a Pearsons product-moment correlation coefficient as both variables are interval type. Using an Alpha error of 0.05, a Beta error of 0.95, and a correlation coefficient of 0.5, sample size was calculated at 38 participants in each of the total knee and total hip arms of the study.
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
10/07/2014
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Actual
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Date of last participant enrolment
Anticipated
25/12/2015
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
80
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
QLD
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Recruitment hospital [1]
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Mackay Base Hospital - Mackay
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Recruitment postcode(s) [1]
8296
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4740 - Mackay
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Funding & Sponsors
Funding source category [1]
289427
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Charities/Societies/Foundations
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Name [1]
289427
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Private Practice Trust Fund
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Address [1]
289427
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Mackay Base Hospital
475 Bridge Road, Mackay, QLD, 4740
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PO Box 5580, Mackay MC, QLD, 4741
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Country [1]
289427
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Australia
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Primary sponsor type
Individual
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Name
Marlow Coates
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Address
Mackay Base Hospital
475 Bridge Road, Mackay, QLD, 4740
or
PO Box 5580, Mackay MC, QLD, 4741
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Country
Australia
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Secondary sponsor category [1]
288188
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None
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Name [1]
288188
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Address [1]
288188
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Country [1]
288188
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
291184
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Human Resources Ethics Committee, Townsville Hospital and Health Service
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Ethics committee address [1]
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Groundfloor of the Medilink Building The Townsville Hospital 100 Angus Smith Drive Douglas, QLD, 4814
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Ethics committee country [1]
291184
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Australia
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Date submitted for ethics approval [1]
291184
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21/03/2014
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Approval date [1]
291184
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02/06/2014
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Ethics approval number [1]
291184
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HREC/14/QTHS/75
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Summary
Brief summary
The main focus of this project is to identify whether a correlation exists between HbA1c levels and the hospital length of stay (LOS) following total hip or total knee replacements at Mackay Base Hospital. Elevated HbA1c blood levels are an indication of poor glucose control over the preceding months and are used as a surrogate marker to predict micro and macro vascular complications in diabetics. We aim to measure HbA1c in all patients within our cohort, and look for a statistically significant correlation with LOS. The practical implication if a positive correlation is established is that improvement of HbA1c with lifestyle and medication prior to major elective surgery such as lower limb total arthroplasty, may significantly lower the cost burden upon the health system by reducing LOS. Research is limited and conflicting in this area, and further elucidation of a correlation would advance understanding and guide further research.
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Trial website
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Trial related presentations / publications
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Public notes
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Attachments [1]
88
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/AnzctrAttachments/366550-HREC Approval Letter.pdf
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Contacts
Principal investigator
Name
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Dr Marlow Coates
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Address
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Mackay Base Hospital
475 Bridge Road, Mackay, QLD, 4740
or
PO Box 5580, Mackay MC, QLD, 4741
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Country
49258
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Australia
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Phone
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+61 7 48856000
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Fax
49258
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Email
49258
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[email protected]
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Contact person for public queries
Name
49259
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Marlow Coates
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Address
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Mackay Base Hospital
475 Bridge Road, Mackay, QLD, 4740
or
PO Box 5580, Mackay MC, QLD, 4741
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Country
49259
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Australia
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Phone
49259
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+61 7 48856000
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Fax
49259
0
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Email
49259
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[email protected]
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Contact person for scientific queries
Name
49260
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Marlow Coates
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Address
49260
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Mackay Base Hospital
475 Bridge Road, Mackay, QLD, 4740
or
PO Box 5580, Mackay MC, QLD, 4741
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Country
49260
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Australia
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Phone
49260
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+61 7 48856000
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Fax
49260
0
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Email
49260
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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
No additional documents have been identified.
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