Table 6.

Comparison of patients with stable or improved pain and patients with worse pain.

	Pain stable or improved				Pain worse				Pain stable/improved vs worse (Δt0, t1)
	n*	t0 [mean ± SD]	t1 [mean ± SD]	P	n*	t0 [mean ± SD]	t1 [mean ± SD]	P	n*	Pain stable/improved [mean ± SD]	Pain worse [mean ± SD]	P
PROMIS questionnaires
PROMIS depression score	24	50.89 ± 9.36	51.40 ± 7.77	ns	17	48.61 ± 7.47	51.08 ± 7.72	ns	40	0.53 ± 6.29	1.69 ± 8.03	ns
PROMIS anxiety score	17	53.28 ± 9.79	53.32 ± 7.75	ns	10	54.05 ± 6.91	55.11 ± 7.64	ns	26	1.02 ± 7.27	1.50 ± 5.33	ns
PROMIS fatigue score	24	53.44 ± 12.27	51.58 ± 8.84	ns	18	51.33 ± 8.04	55.53 ± 9.31	ns	41	−1.38 ± 7.74	−0.80 ± 7.98	ns
PROMIS pain interference score	22	64.17 ± 8.94	63.86 ± 8.21	ns	18	58.49 ± 4.70	59.30 ± 5.76	ns	40	−1.07 ± 6.37	0.81 ± 3.85	ns
PROMIS sleep score	21	56.21 ± 8.89	56.02 ± 8.49	ns	14	51.65 ± 9.38	54.30 ± 7.18	ns	35	−0.71 ± 4.63	1.47 ± 8.53	ns
PCS
PCS score†	25	22.24 ± 13.97	20.08 ± 11.76	ns	18	19.33 ± 9.27	21.11 ± 10.32	ns	43	−2.16 ± 10.51	1.78 ± 6.58	ns
PCS rumination score	25	8.48 ± 5.05	6.46 ± 4.27	0.011	17	6.82 ± 4.07	6.53 ± 4.68	ns	41	−2.37 ± 4.34	0.29 ± 3.84	ns
PCS helplessness score	25	9.64 ± 7.51	10.38 ± 5.11	ns	18	8 ± 4.31	10.88 ± 4.96	0.049	41	0.33 ± 6.05	2.82 ± 5.02	ns
IPIP
IPIP emotional stability score	25	31.44 ± 8.49	31.50 ± 8.40	ns	18	34.50 ± 6.34	34.50 ± 6.63	ns	38	0.77 ± 4.13	0.38 ± 2.68	ns
EQ-5D
EQ-5D index score	22	0.55 ± 0.21	0.57 ± 0.18	ns	18	0.66 ± 0.18	0.51 ± 0.2	0.031	40	0.03 ± 0.28	−0.15 ± 0.24	ns

^*Number of patients who completed the questionnaires; ns = not significant.

^†Only significant subscores listed.

t0, first assessment; t1, 2 wk after restrictions; EQ-5D, EuroQol 5 Dimensions Questionnaire; IPIP, International Personality Item Pool; PCS, Pain Catastrophizing Scale.