Preterm Birth: A Prominent Risk Factor for Low Apgar Scores
Table 2
Categorized descriptive data for the study population regarding body mass index (BMI) and gestational age. Chi2-test was used for the comparison of frequencies.
Parameter
AS5 min < 7
AS5 min ≥ 7
(%)
(%)
BMI (kg/m2)
<20
21
7.0
1746
9.6
20–24.9
135
44.9
9457
51.9
25–29.9
84
27.9
4778
26.2
30–34.9
46
15.3
1566
8.6
≥35
15
5.0
692
3.8
<0.001
Total
301
100
18239
100
Gestational age (weeks)
<28
62
16.9
49
0.2
28–31 + 6
27
7.4
122
0.6
32–36 + 6
45
12.3
981
4.8
37–41 + 6
206
56.3
18045
89.1
≥42
26
7.1
1054
5.2
<0.001
Total
366
100
20251
100
Sign difference between BMI ≥ 30 and BMI < 30 ( < 0.001).