Table 2.
Intragroup pairwise comparisons of PI.
| Mean difference | p valuea | |
|---|---|---|
| Intervention group | ||
| Baseline (T0) | ||
| First follow-up (T1) | 1.81 | 1 |
| Second follow-up (T2) | 6.02 | 0.021** |
| Third follow-up (T3) | 7.37 | 0.003** |
| First follow-up (T1) | ||
| Second follow-up (T2) | 4.21 | 0.111 |
| Third follow-up (T3) | 5.55 | 0.030** |
| Second follow-up (T2) | ||
| Third follow-up (T3) | 1.34 | 1 |
| Control group | ||
| Baseline (T0) | ||
| First follow-up (T1) | −0.3 | 1 |
| Second follow-up (T2) | −2.31 | 0.813 |
| Third follow-up (T3) | −4.24 | 0.119 |
| First follow-up (T1) | ||
| Second follow-up (T2) | −2.01 | 0.672 |
| Third follow-up (T3) | −3.94 | 0.096 |
| Second follow-up (T2) | ||
| Third follow-up (T3) | −1.93 | 0.561 |
**p-values are statistically significant.
aBonferroni post hoc test.