Skip to main content

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

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

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 18.4 (16.8-20.0) 10 17.5 (15.4-19.6) 0.71 0 - - 0 - -
7 15.8 (14.7-16.9) 5 14.9 (13.4-16.5) 0.84 3 15.1 (12.3-17.8) 0.60 0 - -
6 13.0 (12.2-13.7) 5 14.6 (12.2-16.9) 0.11 4 15.1 (11.4-18.8) 0.08 2 16.9 (14.5-19.3) 0.006
5 12.9 (11.3-14.4) 7 11.0 (9.2-12.7) 0.10 5 11.8 (9.9-13.7) 0.43 2 17.3 (8.5-26.2) 0.13
4 11.2 (10.1-12.4) 5 9.8 (8.6-11.0) 0.11 5 15.9 (12.8-18.9) 0.005 5 10.8 (9.0-12.6) 0.67
3 11.1 (10.1-12.2) 3 11.2 (8.7-13.7) 0.95 14 10.1 (9.1-11.1) 0.15 10 11.5 (9.7-13.2) 0.73
2 9.8 (9.0-10.6) 3 10.0 (8.9-11.2) 0.76 5 9.3 (7.3-11.4) 0.61 13 10.5 (9.7-11.3) 0.21
1-0 8.9 (8.5-9.5) 0 - - 2 10.2 (9.6-10.8) 0.79 6 9.4 (8.1-10.7) 0.43
  1. Reference values are based on 11 participants per NRS score.
  2. Values are mean and (95% CI)