Table 4.

Pain (numeric pain rating scale) scores, RAND-36 physical component scale and mental component scale

	Non-PT	PT	P-value
NPRS average last week
Baseline (wk)	8 (7-9)	8 (5-8)	0.37
6	4 (2-8)	2 (1-4)	0.19
12	4 (2-7)	1 (0.5-5)	0.17
26	3 (1-4)	2 (0-3)	0.41
NPRS night
Baseline (wk)	8 (8-9)	9 (7-9)	0.94
6	4 (3-7)	2 (0-3)	0.02
12	5 (2-7)	1 (0-6)	0.11
26	2 (1-3)	2 (0-3)	0.48
RAND-36 PCS
Baseline (wk)	33 (31-40)	39 (34-46)	0.11
6	43 (35-46)	47 (44-52)	0.10
12	45 (43-50)	47 (43-55)	0.63
26	43 (35-56)	40 (46-56)	0.56
RAND-36 MCS
Baseline (wk)	47 (36-54)	44 (35-54)	0.94
6	49 (35-52)	50 (42-56)	0.33
12	43 (29-51)	52 (40-55)	0.20
26	52 (50-57)	52 (35-57)	0.56
Satisfaction (wk)
6	3 (2-3)	4 (3-4)	0.02
12	2 (0-4)	3 (2-4)	0.22
26	3 (3-4)	3.5 (3-4)	1.00

Satisfaction scores (“worse’’, ‘‘unchanged’’, ‘‘unsatisfactory improved’’, ‘‘satisfactory improved’’ and ‘‘good to very good improved”). Results reported as medians (with interquartile range). NPRS: Numeric pain rating scale; PT: Physiotherapy treatment.