Birthing ball on promoting cervical ripening and its influence on the labor process and the neonatal blood gas index

Table 1 Comparison of baseline data between the two groups of mothers

Group	n	Age (yr)	Pregnancy times (times)	Parity (times)	Average height (cm)	Prenatal BMI	Induced labor pregnancy week (wk)
Delivery ball group	100	27.7 ± 3.0	2.85 ± 1.30	0.89 ± 0.40	160.2 ± 4.4	28.9 ± 2.4	40.0 ± 1.1
Regular group	100	28.0 ± 2.9	3.01 ± 1.43	0.93 ± 0.38	159.8 ± 4.0	29.2 ± 2.0	39.9 ± 0.9
t		-0.719	-0.828	-0.725	0.673	-0.960	0.704
P value		0.473	0.409	0.469	0.502	0.338	0.483