Systematic bias in traumatic brain injury outcome studies because of loss to follow-up
JD Corrigan, C Harrison-Felix, J Bogner… - Archives of physical …, 2003 - Elsevier
Corrigan JD, Harrison-Felix C, Bogner J, Dijkers M, Terrill MS, Whiteneck G. Systematic bias
in traumatic brain injury outcome studies because of loss to follow-up. 2003; 84: 153-60.
Objective: To identify potential sources of selection bias created by subjects lost to follow-up
in studies of traumatic brain injury (TBI). Design: Demographic, premorbid, injury-related,
and hospital course characteristics were compared for subjects lost and found for 1-and 2-
year postinjury follow-ups by using bivariate tests and logistic regression analysis. Setting …
in traumatic brain injury outcome studies because of loss to follow-up. 2003; 84: 153-60.
Objective: To identify potential sources of selection bias created by subjects lost to follow-up
in studies of traumatic brain injury (TBI). Design: Demographic, premorbid, injury-related,
and hospital course characteristics were compared for subjects lost and found for 1-and 2-
year postinjury follow-ups by using bivariate tests and logistic regression analysis. Setting …
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