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