Group

Before the treatment

After treatment

t

P

The control group (n = 40)

52.27 ± 14.32

62.67 ± 13.52

−12.17

0.000

The treatment group (n = 40)

50.15 ± 13.53

69.67 ± 10.23

−14.68

0.000

t

0.68

−2.61

P

0.49

0.011