Research Article

Labor Induction with Intravaginal Misoprostol versus Spontaneous Labor: Maternal and Neonatal Outcomes

Table 3

Comparison of the results of the subgroups.

PrimiparousMultiparous
Multiple ()Single ()Spontaneous ()Multiple ()Single ()Spontaneous ()

Age (y)0.677a0.315a
BMI (kg/cm2)0.566a0.209a
Gestational week39.2 (37.5-41)39.2 (37.3-40.3)39.1 (37.1-40.4)0.073k39.1 (37.3-40.3)38.5 (37.2-40.3)39.2 (37.2-40.2)0.519k
Bishop score3 (2-6)3 (0-6)5 (2-12)AB<0.001k3 (2-5)4 (2-7)6 (3-12)AB<0.001k
Number of doses administered2 (2-4)BC1 (1-1)C0 (0-0)<0.001k2 (2-4)1 (1-1)0 (0-0)AB<0.001k
Oxytocin initiation0.021C0.526f
 No15 (32.6)25 (54.3)A35 (59.3)A7 (63.6)7 (46.7)23 (63.9)
 Yes31 (67.4)BC21 (45.7)24 (40.7)4 (36.4)8 (53.3)13 (36.1)
Indication for induction of labor<0.001ff0.002ff
 Elective31 (67.4)BC10 (21.7)C4 (6.8)6 (54.5)C5 (33.3)4 (11.1)
 Fetal indications0 (0.0)1 (2.2)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
 Term pregnant women with irregular contractions6 (13.0)12 (26.1)37 (62.7)AB1 (9.1)6 (40.0)25 (69.4)AB
 Maternal indications0 (0.0)0 (0.0)0 (0.0)1 (9.1)0 (0.0)0 (0.0)
 Post maturity3 (6.5)1 (2.2)0 (0.0)0 (0.0)1 (6.7)1 (2.8)
 RoM6 (13.0)22 (47.8)A18 (30.5)A3 (27.3)3 (20.0)6 (16.7)
Epidural analgesia0.001C0.090ff
 No3 (6.5)5 (10.9)19 (32.2)AB2 (18.2)3 (20.0)17 (47.2)
 Yes43 (93.5)C41 (89.1)C40 (67.8)9 (81.8)12 (80.0)19 (52.8)
Duration of second stage of labor (min)36.5 (11-209)33.5 (7-107)34 (3-173)0.792k27 (15-180)20 (5-119)20.5 (4-141)0.249k
Time from the last dose to delivery720 (17-2880)483 (60-1860)<0.001U600 (350-1500)434 (241-756)0.244U
Interventional delivery0.609C0.071ff
 No37 (80.4)38 (82.6)52 (88.1)10 (90.9)13 (86.7)36 (100.0)
 Yes9 (19.6)8 (17.4)7 (11.9)1 (9.1)2 (13.3)0 (0.0)
Fetal distress0.999ff0.999ff
 No43 (93.5)43 (93.5)55 (93.2)11 (100.0)15 (100.0)34 (94.4)
 Yes3 (6.5)3 (6.5)4 (6.8)0 (0.0)0 (0.0)2 (5.6)
Gender of the baby0.836C0.492ff
 Female19 (41.3)22 (47.8)26 (44.1)5 (45.5)8 (53.3)23 (63.9)
 Male27 (58.7)24 (52.2)33 (55.9)6 (54.5)7 (46.7)13 (36.1)
NICU admission0.091C0.999ff
 No42 (91.3)36 (78.3)54 (91.5)9 (81.8)13 (86.7)30 (83.3)
 Yes4 (8.7)10 (21.7)5 (8.5)2 (18.2)2 (13.3)6 (16.7)
Birth weight0.507a0.372a
Duration of hospitalization to birth (hours)831.5 (515-2895)BC611 (11-1920)C379 (23-1466)<0.001k735 (385-1754)494 (256-912)261.5 (20-950)AB<0.001k
APGAR
 1st min9 (7-10)9 (7-10)9 (7-10)0.333k9 (8-10)9 (8-9)9 (6-10)0.883k
 5th min10 (8-19)10 (9-10)10 (8-10)0.816k10 (9-10)10 (9-10)10 (8-10)0.421k
The value for APGAR 1st vs. 5th min (M)<0.001W<0.001W<0.001W0.008W<0.001W<0.001W
 Difference (5-1) m1 (0-10)1 (0-2)1 (0-1)0.725k1 (0-1)1 (0-1)1 (0-2)0.718k

aOne-way ANOVA (robust statistic: Brown-Forsythe). kKruskal-Wallis test (Monte Carlo); post hoc test: Dunn’s test. ffFisher-Freeman-Halton (Monte Carlo). ePearson chi-square test (Monte Carlo); post hoc test: Benjamini-Hochberg correction. UMann–Whitney test (Monte Carlo). WWilcoxon signed rank test (Monte Carlo); quantitative variables are shown as or median (min-max); categorical data were shown as (%). ASignificance according to the multiple-dose group. BSignificance according to the single-dose group. CSignificance according to the spontaneous birth group.