Table 2 Risk factors for developing cerebral palsy in singleton pregnancy.

Maternal age > 35 years

1.14 (1.08–1.19)

0.99 (0.94–1.04)

HTN

1.53 (1.40–1.67)

1.11 (1.01–1.22)

DM

1.35 (1.24–1.46)

1.15 (1.06–1.25)

Cesarean delivery

1.62 (1.55–1.68)

1.33 (1.27–1.38)

Preeclampsia

3.43 (3.16–3.71)

1.18 (1.08–1.28)

GDM without insulin

0.96 (0.90–1.03)

0.83 (0.77–0.90)

GDM with insulin

2.12 (1.81–2.47)

1.47 (1.23–1.75)

Chorioamnionitis

3.74 (3.31–4.23)

1.54 (1.36–1.75)

Preterm rupture of membrane

1.56 (1.49–1.64)

1.13 (1.07–1.18)

Oligohydramnios

3.37 (3.03–3.74)

1.67 (1.50–1.87)

Polyhydramnios

8.37 (6.77–10.35)

3.81 (3.04–4.77)

Preterm birth

< 28 weeks

31.91 (29.63–34.37)

29.49 (27.35–31.79)

28–33/6 weeks

30.84 (29.09–32.70)

24.55 (23.00–26.20)

34–36/6 weeks

5.21 (4.80–5.65)

4.54 (4.18–4.94)

Term birth with BW < 2500 g

5.70 (5.28–6.15)

5.39 (4.99–5.82)

With 2.5 kg ≤ BW < 4.0 kg

1

1

With BW ≥ 4.0 kg

0.93 (0.82–1.06)

0.86 (0.76–0.98)

Male

1.33 (1.28–1.38)

1.32 (1.27–1.38)

Respiratory distress syndrome

6.78 (5.73–8.03)

2.04 (1.69–2.47)

Bronchopulmonary dysplasia

8.58 (2.13–34.49)

1.27 (0.31–5.24)

Necrotizing enterocolitis

10.81 (4.43–26.36)

2.80 (1.14–6.87)