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Table 2 Perinatal indicators and odds ratios of unspecified cerebral palsy (N = 804 854)

From: Perinatal complications and socio-economic differences in cerebral palsy in Sweden – a national cohort study

  

N

Cases

OR (95% C.I.)

Parity

1

334 396

532

1

 

2

281 002

410

0.9 (0.7–1.1)

 

3

130 463

195

0.9 (0.8 -1.1)

 

4+

58 993

111

1.2 (1.0–1.5)

Multiple birth

Yes

18 738

100

3.7 (3.0–4.5)

Gestational age (weeks)

22–28

1 798

107

60.4 (49.2–74.5)

 

29–32

6 457

184

27.6 (23.5–32.5)

 

33–36

40 148

134

3.1 (2.6–3.7)

 

37–41

747 172

799

1

 

42–45

9 279

17

1.7 (1.1–2.8)

Small for gestational age

Yes

25 427

133

3.7 (3.1–4.4)

Preeclampsia

Yes

21 329

62

1.9 (1.5–2.5)

Abrubtio placentae

Yes

3 778

60

10.9 (8.4–14.1)

Apgar<7 at 5 min

Yes

7 343

242

27.0 (23.5–31.2)

Neonatal distress

Yes

11 611

221

15.0 (12.9–17.4)

Total

 

804 854

1 248