Reproductive Health

Table 1 Distribution of study subjects (Number of subjects in each subgroup)

From: Preventive induction of labor for non-urgent indications at term and maternal and neonatal outcomes

	Preventive induction				Expectant management
Propensity score level*	1	2	3	4	1	2	3	4
Gestational age at delivery	37⁺⁰–37⁺⁶ week				≥38⁺⁰ week
Nulliparas	128	129	128	129	50530	6785	3233	707
Multiparas	169	170	170	170	45524	11118	3191	809
Gestational age at delivery	38⁺⁰–38⁺³week				≥38⁺⁴week
Nulliparas	175	176	175	176	39865	8098	3272	709
Multiparas	249	249	249	249	35869	9095	3253	896
Gestational age at delivery	38⁺⁴–38⁺⁶ week				≥39⁺⁰week
Nulliparas	85	85	85	85	42454	3774	1486	254
Multiparas	96	97	97	97	36355	5728	2077	673
Gestational age at delivery	39⁺⁰–39⁺³week				≥39⁺⁴week
Nulliparas	251	252	251	252	21715	7690	1918	619
Multiparas	416	417	416	417	17639	3257	2457	502
Gestational age at delivery	39⁺⁴–39⁺⁶week				≥40⁺⁰ week
Nulliparas	52	53	52	53	21612	3178	1570	755
Multiparas	59	59	59	59	15437	3104	856	326

*Propensity score levels are divided based on the propensity scores in the preventive induction group (<25th, 25th–49th, 50th–74th, and ≥ 75th percentiles). These cut-off points were then applied to the expectant management group

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