Table 3. Pairwise comparison of groups by post-hoc Bonferroni test.

*p<0.05: significant; CI: confidence interval.

Pair wise group		Mean difference	Standard error	t-value	p-value	95% CI (lower limit)	95% CI (upper limit)
Group 2	Group 1	7.26	1.395	5.20	0.001*	3.67	10.84
Group 2	Group 3	4.74	1.395	3.39	0.006*	1.15	8.32
Group 1	Group 3	−2.52	1.395	−1.81	0.246	−6.11	1.07