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Table 2 Crude estimates of risks (RR and 95%CI) for delivery outcomes according to birth weight

From: Perinatal outcomes associated with low birth weight in a historical cohort

Outcomes

Low birth weight n (%)

Normal birth weight n (%)

RR (95%CI)

Mode of delivery

   

   Cephalic, vaginal

2,774 (42.8)

19,561 (52.2)

1.00

   Breech, vaginal

126 (1.9)

181 (0.5)

4.74 (3.79-5.93)

   Forceps

423 (6.5)

5,801 (15.5)

0.58 (0.53-0.63)

   Cesarean

3,116 (48.1)

11,668 (31.1)

1.42 (1.38-1.46)

   Unknown

38 (0.6)

256 (0,7)

 

Total

6,477 (100.0)

37,467 (100.0)

 

Indication for Cesarean

   

   Acute fetal distress

1,339 (43.0)

3,307 (28.3)

2.25 (2.13-2.38)

   CPD

36 (1.2)

1,345 (11.5)

0.20 (0.14-0.28)

   Breech

299 (9.6)

1,039 (8.9)

1.93 (1.71-2.18)

   Preeclampsia

387 (12.4)

405 (3.5)

6.04 (5.28-6.90)

   Previous Cesarean

328 (10.5)

2,726 (23.4)

0.86 (0.78-0.96)

   Placental abruption

127 (4.1)

91 (0.8)

9.45 (7.24-12.34)

   Other

600 (19.2)

2,755 (23.6)

1.44 (1.33-1.56)

Total

3,116 (100.0)

11,668 (100.0)

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