Predictors of outcome in neck pain patients undergoing chiropractic care: comparison of acute and chronic patients

doi:10.1186/2045-709X-20-27

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Chiropr Man Therap. 2012; 20: 27.

Published online 2012 Aug 24. doi: 10.1186/2045-709X-20-27

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Table 5

Multivariate logistic regression analysis of prognostic predictors at baseline and at 1 week for improvement at 1 month in acute and chronic patients

	Coefficient	OR	95% CI	p-value	Sensitivity; Specificity; Percentage correctly predicted; Area under ROC (95% CI); Adjusted R²
Acute N = 180
BQ 5: Baseline Depression	−0.18	0.84	0.71 to 0.98	0.024	99.4%; 4.3%; 87.2%; 0.79 (0.70 to 0.88); 21.7%
Baseline to 1 Week BQ Pain change score	0.19	1.21	1.02 to 1.44	0.032
Baseline to1 Week NRS Neck Change Score	0.31	1.36	1.10 to 1.75	0.017
PGIC @ 1 Week	1.05	2.87	1.08 to 7.64	0.035
Chronic N = 156
PGIC @ 1 Week	1.48	4.41	1.95 to 9.96	0.001	100.0%; 0%; 67.3%; 0.66 (0.57 to 0.75); 12.7%

BQ = Bournemouth Questionnaire. NRS = Numerical pain rating scale. OR = odds ratio (95% Confidence intervals). N = Number of observations. PGIC = Patient global impression of change scale.