Changes in VAS and KODI according to Subjective Pain Intensity
Visit | Subjects having moderate-severe back pain(n=11) | Subjects having mild back pain(n=17) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Mean±SD | Median | Min-max | Mean±SD | Median | Min-max | |||||
VAS | Difference (Visit 14-Visit 2) | −1.87±1.40 | −1.00 | −4.00∼−0.30 | 0.0010 | −1.82±1.49 | −2.10 | −4.80∼0.70 | 0.0001 | 0.6584 |
KODI | Difference (Visit 14-Visit 2) | −7.27±5.69 | −6.00 | −17.00∼1.00 | 0.0017 | −4.76±3.05 | −5.00 | −11.00∼1.00 | <.0001 | 0.2015 |
within group comparison,
between group comparison,
Visual analog scale,
Korean Oswestry disability index, Paired t-test,
Wilcoxon’s signed rank test.