Table 2.
Mean scores, effect sizes, and significance of change (paired t test) between baseline and 6 weeks on the Vaizey and HSS for the two treatment groups and overall
| N | Mean baseline | SD | N | Mean 6 weeks | SD | Mean difference (SD) | Effect size | SRM | Paired t test | |
|---|---|---|---|---|---|---|---|---|---|---|
| HAL | ||||||||||
| Vaizey HAL | 126 | 5.23 | 4.84 | 126 | 4.29 | 5.12 | 0.94 (5.90) | 0.20 | 0.16 | p = 0.75 |
| HSS HAL | 133 | 6.48 | 3.08 | 133 | 3.02 | 2.97 | 3.47 (3.44) | 1.12 | 1.01 | p < 0.001 |
| RBL | ||||||||||
| Vaizey RBL | 102 | 5.70 | 5.23 | 102 | 3.79 | 4.55 | 1.90 (4.83) | 0.36 | 0.39 | p < 0.001 |
| HSS RBL | 111 | 6.35 | 3.08 | 111 | 4.05 | 3.41 | 2.31 (3.19) | 0.75 | 0.72 | p < 0.001 |
| All | ||||||||||
| Vaizey All | 228 | 5.44 | 5.01 | 228 | 4.07 | 4.87 | 1.37 (5.46) | 0.27 | 0.25 | p < 0.001 |
| HSS All | 244 | 6.42 | 3.07 | 244 | 3.48 | 3.21 | 2.94 (3.37) | 0.96 | 0.87 | p < 0.001 |
RBL rubber band ligation, HAL haemorrhoidal artery ligation, HSS haemorrhoid severity score