Wilcoxon rank sum test | Mann-Whitney U test p value | |||||
n | Preintervention | Postintervention | p value | Preintervention | Postintervention | |
Both groups | 32 | 151.8 ± 118.9 | 108.1 ± 81.5 | 0.001 | 0.459 | 0.352 |
Intervention group | 14 | 132.6 ± 98.6 | 103.0 ± 100.3 | 0.041 | ||
Control group | 18 | 166.8 ± 133.4 | 112.0 ± 66.2 | 0.014 |