An Interdisciplinary Pain Rehabilitation Program for Veterans with Chronic Pain: Description and Initial Evaluation of Outcomes

Table 4

Examination of changes in pre- and posttreatment measures.

	t	df	Significance (2-tailed)
Usual pain^&	1.77	33	0.09
Acceptable pain^&	−4.87	31	0.00
PHQ9	4.47	33	0.00
PCS	4.75	29	0.00
PDQ	4.38	34	0.00
MEDD	1.88	33	0.07

PHQ9 = Patient Health Questionnaire; PCS = Pain Catastrophizing Scale; PDQ = Pain Disability Questionnaire; MEDD = morphine equivalent daily dose; ^&numeric rating scale from 0 (no pain) to 10 (worst pain imaginable); correlation is significant at the 0.05 level (2-tailed).