Table 5.

Comparison of the women 35-39 and ≥ 40 with the control group among primiparas (**one-tailed Mann-Whitney U test)

Outcome		35-39		≥40
		p-value	OR (95% CI)	p-value	OR (95% CI)
Pregnancy complications
Pregnancy-induced hypertension (PIH)		0.5189	0.72 (0.26-1.96)	0.1416	2.75 (0.72-10.54)
Hypothyroidism		0.0033	0.44 (0.25-0.77)	0.0960	0.31 (0.08-1.14)
Anaemia		0.8595	0.92 (0.36-2.35)	-	-
Placenta praevia		-	-	0.0977	20.38 (1.21-344.39)
PROM		0.9906	1.19 (0.37-3.80)	-	-
Oligohydramnios		0.6958	1.01 (0.21-4.97)	0.3401	2.85 (0.33-24.91)
Polyhydramnios		-	-	-	-
Mode of delivery
Caesarean section		0.5697	1.39 (0.81-2.38)	0.0107	9.03 (1.16-70.05)
Emergency C-section		0.6982	1.12 (0.64-1.97)	1.0000	1.08 (0.33-3.55)
Elective C-section		0.3821	1.27 (0.74-2.17)	0.0187	3.83 (1.25-11.78)
Non-induced vaginal delivery		0.4712	0.80 (0.44-1.45)	0.1219	0.20 (0.03-1.56)
Induced vaginal delivery		0.4180	0.70 (0.30-1.65)	-	-
Perinatal outcome
Gestational age at delivery		0.0700	-	0.0498**	-
Preterm birth		0.7899	1.11 (0.50-2.46)	1.0000	0.63 (0.08-5.00)
Birth asphyxia		0.9248	0.96 (0.44-2.11)	-	-
Lack of progress of labour		0.2378	0.42 (0.12-1.44)	1.0000	0.78 (0.10-6.22)
Postpartum haemorrhage		-	-	0.0213	14.61 (2.23-95.79)
Episiotomy		0.9427	1.17 (0.45-3.06)	-	-
Perineal tears		0.2449	0.36 (0.08-1.65)	-	-
Neonatal outcome
Birth weight [g]		0.5890	-	0.6750	-
Macrosomy		0.9180	3.58 (0.22-57.93)	-	-
SGA		0.4762	0.54 (0.16-1.88)	0.2829	2.17 (0.45-10.41)
LGA		0.5754	1.26 (0.56-2.82)	1.0000	0.71 (0.09-5.65)
APGAR score:	0-3	-	-	-	-
	4-6	-	-	-	-
	7-10	-	-	-	-
Stillbirth		-	-	-	-
Congenital anomalies		0.8869	0.93 (0.36-2.58)	0.2829	2.17 (0.45-10.41)