Table 6.

Post-hoc Tukey HSD test for the four groups on mean difference FFI score

Contrast	‘p’ value
Group 1 versus Group 2	0.001**
Group 1 versus Group 3	0.001**
Group 1 versus Group 4	0.001**
Group 2 versus Group 3	0.26
Group 2 versus Group 4	0.89
Group 3 versus Group 4	0.15

Group 3 > Group 1; Group 2 > Group 1; Group 4 > Group 1; Group 2 ~ Group 3; Group 2 ~ Group 4; Group 3 ~ Group 4

*p < 0.05; **p < 0.0001