Table 4.

Repeated measures ANOVA with post hoc comparing the mean values of PI of the three groups ($N=75$).

	CT Grp	TOP Grp	Cntr Grp
	Mean $\pm$ SD	Mean $\pm$ SD	Mean $\pm$ SD	$F$	$P$
Pretreatment	6.87 $\pm$ 0.99a	7.63 $\pm$ 2.98a	7.00 $\pm$ 0.81a	0.688	0.518
WK3	5.83 $\pm$ 1.64a	4.83 $\pm$ 0.75b	6.25 $\pm$ 0.95a	7.800	0.005*
WK6	2.50 $+$ 0.53c	1.66 $\pm$ 0.81d	3.75 $\pm$ 0.53e	10.121	0.002*

Notes: Superscript letters a–e in the table mean that a mean mode of the same superscript letters indicates no significant difference but mean mode with different superscript letters indicates significant difference.