Changes of Value by VAS (Visual Analogue Scale) method
| Group | N | Changes of Value by VAS (mean±SD) | |||||
|---|---|---|---|---|---|---|---|
| Base | After 1 week | After 2 weeks | After 4 weeks | After 8 weeks | After 16 weeks | ||
| C | 30 | 4.40±2.04 | 4.97±2.24 |
4.90±2.26 |
4.73±2.57 | 4.57±2.64 | 4.40±2.81 |
| E | 30 | 4.60±2.62 | 4.67±2.54 | 4.23±2.33 | 3.70±2.38 |
2.93±2.36 |
2.27±2.33 |
| p-value | 0.743 | 0.629 | 0.266 | 0.112 | 0.014 | 0.002 |
C: control group, E: experimental group, SD: standard deviation, p-value: p value by 2-sample t-test.
*p<0.05 by paired t-test between base and after.
**p<0.01 by paired t-test between base and after.
