Table 6 Pain Ratings (Visual-Analog Scale 0–10)
From: Pre- and post-operative gait analysis for evaluation of neck pain in chronic whiplash
| Â | Pre-op | Post-op | Mean change | Paired t-test | ||
|---|---|---|---|---|---|---|
|  | Mean ± SD | Mean ± SD | VAS | Percent | t statistic | p-value |
Typical day average | 6.2 ± 2.0 | 2.5 ± 1.8 | 3.7 | -60 | 3.75 | 0.002 |
Increase during test | 1.6 ± 2.4 | 0 ± 1.9 | 1.6 | -100 | 1.82 | 0.05 |