Table 4.

Comparison of PPT values (kg/cm²) of three groups at different observation time

Groups	Pretreatment	2 weeks	4 weeks	8 weeks	F-Value	p-Value
I + PG (n = 20)	4.060 ± 1.953	5.780 ± 1.674a	6.965 ± 1.765a	7.855 ± 1.765a	80.134	< 0.001
PG (n = 20)	3.620 ± 0.981	5.360 ± 0.841a	6.245 ± 0.850a	6.630 ± 0.886a	55.396	< 0.001
IG (n = 20)	3.520 ± 0.812	4.015 ± 0.816a	5.065 ± 0.710a	5.560 ± 0.623a	32.923	< 0.001
F-Value	0.911	12.223	12.721	18.456
p-Value33	0.408	< 0.001	< 0.001	< 0.001

^ap < 0.05