Table 2.

Pain, disability and functional status

	BPI Pain Severity (0–10)		BPI Pain Interference (0–10)		SF12 Physical Health (0–100)		SF12 Mental Health (0–100)		SF12-Fair/Poor General Health		CPGS Disability Score (0–100%)		CPGS - Characteristic Pain Intensity (0–100%)		PFD-Days with pain last 2 weeks (0–14)		PIQ-6 (40–78)
	Mean	95% CI	Mean	95% CI	Mean	95% CI	Mean	95% CI	n	%	Mean	95% CI	Mean	95% CI	Mean	95% CI	Mean	95% CI
6 weeks prior to baseline	6.9	(6.6, 7.1)	6.9	(6.6, 7.3)	-	-	-	-	-	-	72.6	(69.1, 76.1)	78.6	(76.8, 80.3)	13.0	(12.6, 13.3)	68.4	(67.5, 69.2)
4 weeks prior to baseline	6.9	(6.6, 7.2)	6.6	(6.2, 7)	-	-	-	-	-	-	-	-	-	-	12.5	(12, 12.9)	-	-
2 weeks prior to baseline	7.0	(6.6, 7.4)	6.5	(6, 7)	-	-	-	-	-	-	-	-	-	-	12.5	(11.9, 13)	-	-
Baseline	6.7	(6.5, 7)	6.4	(6, 6.8)	31.7	(30.4, 33.1)	38.2	(36.2, 40.1)	107	46.7	66.8	(62.8, 70.8)	77.3	(75.2, 79.3)	12.3	(11.9, 12.8)	67.4	(66.4, 68.3)
2 week follow-up	6.2	(5.8, 6.5)	5.5	(5, 5.9)	-	-	-	-	-	-	-	-	-	-	11.1	(10.5, 11.8)	63.9	(62.7, 65.2)
4 week follow-up	5.7	(5.3, 6.1)	5.0	(4.5, 5.6)	-	-	-	-	-	-	-	-	-	-	10.7	(10, 11.4)	62.3	(60.9, 63.7)
8 week follow-up	5.6	(5.2, 6)	5.0	(4.4, 5.6)	-	-	-	-	-	-	-	-	-	-	10.7	(9.9, 11.4)	61.5	(59.9, 63.1)
12 week follow-up	5.6	(5.2, 6.1)	4.9	(4.3, 5.5)	35.7	(33.8, 37.6)	43.7	(41, 46.4)	52	40.63	43.7	(37.7, 49.8)	65.1	(61.2, 69.1)	10.1	(9.3, 10.9)	61.8	(60.1, 63.4)
16 week follow-up	5.7	(5.2, 6.3)	5.0	(4.4, 5.7)	-	-	-	-	-	-	-	-	-	-	10.6	(9.7, 11.5)	61.7	(59.9, 63.5)
24 week follow-up	5.5	(4.9, 6.1)	5.0	(4.4, 5.7)	35.3	(33, 37.5)	45.2	(42.5, 47.8)	36	33.64	45.2	(38.2, 52.2)	64.7	(59.9, 69.5)	10.9	(10, 11.7)	62.2	(60.2, 64.1)

- Not measured;

^*higher BPI score = more severe pain; higher SF-12 score = better function