Table 4 Neonatal outcomes of the second CD for woman of different age ranges at first CD

FGR

18–24

2.037 (1.45–2.83)

2.061 (1.48–2.86)

1.223 (0.70–2.14)

25–29

1

1

1

30–34

1.038 (0.65–1.65)

1.025 (0.64–1.63)

1.641 (0.88–3.08)

≥35

0.341 (0.05–2.46)

0.332 (0.05–2.40)

0.857 (0.10–7.61)

Mild asphyxia

18–24

1.585 (1.22–2.06)

1.599 (1.23–2.08)

0.882 (0.57–1.38)

25–29

1

1

1

30–34

0.948 (0.66–1.36)

0.891 (0.62–1.28)

1.577 (0.97–2.57)

≥35

1.53 (0.74–3.16)

1.159 (0.55–2.46)

4.339 (1.53–12.32)

Severe asphyxia

18–24

1.019 (0.48–2.18)

1.014 (0.47–2.17)

0.317 (0.09–1.15)

25–29

1

1

1

30–34

0.315 (0.07–1.35)

0.292 (0.07–1.26)

0.831 (0.15–4.66)

≥35

2.525 (0.59–10.87)

1.776 (0.38–8.26)

18.439 (1.54–220.95)

Preterm

18–24

1.442 (1.26–1.66)

1.457 (1.27–1.67)

1.092 (0.87–1.38)

25–29

1

1

1

30–34

0.927 (0.78–1.11)

0.872 (0.73–1.05)

1.143 (0.89–1.47)

≥35

0.945 (0.60–1.48)

0.77 (0.49–1.22)

1.393 (0.77–2.53)

Neonatal complications

18–24

1.453 (1.11–1.91)

1.469 (1.12–1.93)

1.131 (0.72–1.79)

25–29

1

1

1

30–34

1.053 (0.74–1.49)

1.014 (0.71–1.44)

1.303 (0.80–2.13)

≥35

1.578 (0.76–3.27)

1.356 (0.65–2.85)

2.343 (0.82–6.74)

NICU

18–24

1.426 (1.22–1.67)

1.425 (1.22–1.67)

1.036 (0.79–1.35)

25–29

1

1

1

30–34

0.88 (0.71–1.09)

0.841 (0.68–1.04)

1.127 (0.84–1.51)

≥35

1.85 (1.24–2.77)

1.481 (0.98–2.25)

2.825 (1.54–5.17)