|
Birthweight (g)
|
n
|
Gestational age
|
Cesarean section
|
Breech presentation at birth
|
Maternal complicationsa
|
|---|
|
Mean
|
(SD)
|
(%)
|
(%)
|
(%)
|
|---|
|
Overall
|
205,648
|
38.5
|
(2.0)
|
49,964 (24.3)
|
9099 (4.4)
|
34,642 (16.9)
|
|
< 1500
|
2072
|
30.6
|
(4.1)
|
38.9
|
18.6
|
25.3
|
|
1500–1599
|
602
|
33.1
|
(3.2)
|
32.4
|
11.1
|
20.3
|
|
1600–1699
|
521
|
33.7
|
(3.1)
|
39.3
|
12.1
|
22.5
|
|
1700–1799
|
811
|
34.4
|
(3.0)
|
35.8
|
12.1
|
20.3
|
|
1800–1899
|
973
|
34.6
|
(2.9)
|
35.9
|
10.4
|
22.1
|
|
1900–1999
|
1032
|
35.2
|
(2.9)
|
36.7
|
9.5
|
23.3
|
|
2000–2099
|
2807
|
36.7
|
(2.6)
|
26.7
|
7.5
|
15.7
|
|
2100–2199
|
2165
|
36.9
|
(2.5)
|
29.7
|
7.3
|
19.2
|
|
2200–2299
|
3817
|
37.2
|
(2.3)
|
26.2
|
6.4
|
15.6
|
|
2300–2399
|
4178
|
37.6
|
(2.0)
|
25.5
|
5.2
|
18.2
|
|
2400–2499
|
5628
|
37.9
|
(2.0)
|
25.9
|
5.5
|
18.7
|
|
2500–3499
|
181,042
|
38.8
|
(1.6)
|
23.7
|
3.9
|
16.6
|
- All variables differed significantly by birthweight categories (p-value < 0.001)
- aMaternal complications included chronic hypertension, cardiac disease, renal disease, chronic respiratory condition, diabetes mellitus, malaria, sickle cell anaemia, severe anaemia, pyelonephritis or urinary infection, HIV/AIDS, Thalassemia and other medical conditions
