Table 2.
Comparison of Group I and Group II with Numeric Pain Rating Scale at different time points by Mann–Whitney U-test (P<0.05)
| Time point | Group I | Group II | U | Z | P | ||
|---|---|---|---|---|---|---|---|
|
|
|
||||||
| Mean±SD | Sum of ranks | Mean±SD | Sum of ranks | ||||
| Pretreatment | 2.85±2.91 | 805.50 | 4.27±3.47 | 1024.50 | 340.50 | −1.6189 | 0.1055 |
| 15th day | 1.00±1.95 | 713.00 | 2.97±2.98 | 1117.00 | 248.00 | −2.9865 | 0.002* |
| 30th day | 0.33±1.27 | 811.00 | 1.30±2.26 | 1019.00 | 346.00 | −1.5376 | 0.1242 |
| 60th day | 0.00±0.00 | 870.00 | 0.33±1.06 | 960.00 | 405.00 | −0.6653 | 0.5059 |
| Pretreatment-15th day | 1.85±2.09 | 932.50 | 1.30±0.92 | 897.50 | 432.50 | −0.2587 | 0.7958 |
| Pretreatment-30th day | 2.52±2.62 | 847.50 | 2.97±2.27 | 982.50 | 382.50 | −0.9979 | 0.3183 |
| Pretreatment-60th day | 2.85±2.91 | 825.50 | 3.93±3.13 | 1004.50 | 360.50 | −1.3232 | 0.1858 |
*P<0.05. SD=Standard deviation