Pain relief is associated with decreasing postural sway in patients with non-specific low back pain

Table 2 Changes in postural sway velocity ML across three repeated measurements at 2-3 day intervals

NRS score	Reference values	Measurement 1			Measurement 2			Measurement 3
		n	mVel ML	p-value	n	mVel ML	p-value	n	mVel ML	p-value
8	21.2 (20.0-22.5)	10	20.4 (18.8-22.0)	0.91	0	-	-	0	-	-
7	18.6 (17.7-19.4)	5	19.3 (17.5-21.2)	0.40	3	19.8 (16.9-22.7)	0.37	0	-	-
6	15.6 (14.7-16.6)	5	15.6 (12.9-18.2)	0.93	4	19.4 (15.7-23.1)	0.04	2	22.4 (20.6-24.2)	≤ 0.001
5	13.9 (12.6-15.2)	7	14.7 (12.7-16.7)	0.47	5	14.5 (12.2-17.6)	0.45	2	17.5 (9.5-25.4)	0.19
4	13.1 (12.0-14.2)	5	11.5 (10.0-13.0)	0.09	5	16.1 (13.0-19.2)	0.04	5	12.8 (11.5-14.0)	0.68
3	12.4 (11.4-13.4)	3	12.0 (10.4-13.7)	0.72	14	12.1 (10.7-13.5)	0.70	10	12.8 (11.0-14.5)	0.71
2	11.5 (10.7-12.3)	3	12.1 (10.3-13.9)	0.47	5	11.0 (10.2-11-9)	0.48	13	11.8 (10.7-13.0)	0.59
1-0	11.0 (10.5-11.7)	0	-	-	2	12.5 (11.2-13.8)	0.16	6	12.0 (11.0-13.1)	0.19

ISSN: 1471-2474