Table 4.

Intragroup comparisons of GI.

Intervention groups	Mean difference	p valuea
Baseline (T0)
First follow-up (T1)	0.16	0.029**
Second follow-up (T2)	0.31	<0.001**
Third follow-up (T3)	0.34	<0.001**
First follow-up (T1)
Second follow-up (T2)	0.15	0.034**
Third follow-up (T3)	0.18	0.009**
Second follow-up (T2)
Third follow-up (T3)	0.03	1

**p-values are statistically significant.

^aBonferroni post hoc test.