Table 3.

Comparison of pelvic floor muscle fiber contraction time (x̅±s, s)

Group	Type I muscle fiber		Type II muscle fiber
	Before nursing	After nursing	Before nursing	After nursing
Control group (n=100)	1.39±0.44	3.31±0.39*	1.17±0.63	3.15±0.57*
Observation group (n=100)	1.40±0.57	4.41±0.43*	1.15±0.77	4.19±0.62*
t	-0.139	-18.949	0.201	-12.349
P	0.89	<0.001	0.841	<0.001

^*indicates post-nursing compared with pre-nursing, P<0.001.