Experimental group

Control group

Student t

Deg of freedom

p-Value

TIMP-1 (ng/mL)

Baseline

13.58 ± 6.53

15.27 ± 6.10

1.55

39

0.13

After

17.24 ± 8.44

15.20 ± 5.64

7.47

39

0.001