Factors affecting failed trial of labor and countermeasures: A retrospective analysis

Table 2 Comparison of basic data and labor management between the two groups

	Pregnancy outcome				χ2	P value
	Control group (vaginal delivery)		Observation group (conversion to cesarean section)
	Frequency	Percent	Frequency	Percent
Age (yr)
≤ 20	34	0.4	3	0.3	0.503	0.478
20-35	7523	92.2	1015	94.3
≥ 35	607	7.4	58	5.4	6.005	0.014
Neonatal weight (g)
< 2500	37	0.4	6	0.6	0.381	0.537
2500-4000	7444	91.2	920	85.5
≥ 4000	683	8.4	150	13.9	36.186	0.000
Gestational age (wk)
< 37	54	0.7	5	0.6	0.303	0.582
37-41	7298	89.4	874	88.2
≥ 41	812	9.9	197	11.5	67.943	0.000
Use of uterine contraction drugs
Yes	2578	31.6	447	44.3	42.873	0. 000
No	5586	68.4	559	55.7
Parity
Primipara	6642	81.4	1040	96.7	158.695	0. 000
Multipara	1522	18.6	36	3.3
Fever during labor
Yes	365	4.5	191	17.8	296.479	0. 000
No	7799	95.5	885	82.2
Labor analgesia
Yes	3685	45.1	415	38.6	16.617	0. 000
No	4479	54.9	661	61.4
Scarred uterus
Yes	23	0.3	5	0.5	1.053	0.305
No	8141	99.7	1071	99.5
Abnormal amniotic fluid (meconium stained or bloody)
Yes	2158	26.4	290	27	0.131	0.717
No	6006	73.6	786	73
Prolonged labor/active stage retention
Yes	344	4.2	56	5.2	2.254	0.133
No	7820	95.8	1020	94.8
Prolonged pregnancy
Yes	7	0.1	1	0.1	0.006	0.94
No	8157	99.9	1075	99.9