Table 5.
Comparison of verbal rating scale score among the various groups
| VRS | Mean±SD | Between group* | ||||||
|---|---|---|---|---|---|---|---|---|
| CG | TG 1 | TG 2 | TG 3 | TG 4 | TG 5 | χ2 | P | |
| Baseline | 4.0±0.0 | 4.0±0.0 | 4.0±0.0 | 4.0±0.0 | 4.0±0.0 | 4.0±0.0 | 0.00 | 1.000 |
| 1 week | 2.8±0.4 | 3.0±0.0 | 2.7±0.5 | 3.0±0.0 | 2.6±0.5 | 3.0±0.0 | 36.84 | <0.001 |
| 1 month | 2.0±0.2 | 1.8±0.4 | 1.5±0.5 | 2.0±0.0 | 1.6±0.5 | 1.7±0.4 | 29.65 | <0.001 |
| 6 months | 3.0±0.5 | 0.7±0.5 | 0.3±0.5 | 0.8±0.4 | 0.5±0.5 | 0.5±0.5 | 98.64 | <0.001 |
| Within group# |
χ2=81.90, P<0.001 |
χ2=90.00, P<0.001 |
χ2=89.44, P<0.001 |
χ2=90.00, P<0.001 |
χ2=90.00, P<0.001 |
χ2=90.00, P<0.001 |
||
*Calculated using Kruskal–Wallis Chi-square test, #Calculated using Friedman test. SD: Standard deviation, VRS: Verbal rating scale