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Factor analysis of an outcome interview for use in clinical trials of traumatically brain-injured patients
BROWN SA; MCCAULEY SR; LEVIN HS
AM J PHYS MED REHABIL , 2001, vol. 80, n° 3, p. 196-205 Doc n°: 99814 Localisation : Documentation IRR Descripteurs : AF3 - TRAUMATISME CRANIEN OBJECTIVE: To study the factor structure, internal consistency, concurrent validity, and sensitivity to detect change in patient report of problems of a structured interview in relationship with accepted outcome measures. DESIGN: Outcome status of patients with severe traumatic brain injury participating in a randomized, phase III, multicenter clinical trial was assessed at 6 mo postinjury using the Glasgow Outcome Scale, the Disability Rating Scale, and the Severe Traumatic Brain Injury Outcome Interview. RESULTS: Exploratory factor analysis of the Severe Traumatic Brain Injury Outcome Interview produced a meaningful five-factor model: (1) activities of daily living; (2) cognitive; (3) affective; (4) behavioral; and (5) instrumental activities of daily living. The internal consistency of the factors ranged from moderate (0.61 instrumental activities of daily living) to high (0.94 activities of daily living); the interfactor correlations were moderate. Langue : ANGLAIS Identifiant basis : 2001215754 |
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