Table 3 Logistic regression for risk factors for a newborn Apgar score < 8 at 1 min or 5 min

Maternal complications

 0/1

1.00(reference)

1.00(reference)

 2

3.598(1.349 ~ 9.593)

0.999(0.336 ~ 2.969)

 3

20.509(11.553 ~ 36.407)

4.476(2.228 ~ 8.993)

 4

7.11(1.952 ~ 25.892)

2.109(0.52 ~ 8.561)

 5

5.963(2.728 ~ 13.036)

5.282(2.324 ~ 12.007)

Anesthesia Way

 Neuraxial Anesthesia

1.00(reference)

1.00(reference)

 General Anesthesia

9.482(6.723 ~ 13.373)

3.479(2.247 ~ 5.387)

Emergency or Selective

 Selective

1.00(reference)

1.00(reference)

 Emergency

3.469(2.358 ~ 5.106)

1.989(1.31 ~ 3.021)

Stratified Gestational age (Days)

 175–259

24.308(8.95 ~ 66.019)

8.227(2.922 ~ 23.168)

 260–270

1.502(0.46 ~ 4.907)

0.952(0.286 ~ 3.176)

 271–277

2.929(0.958 ~ 8.961)

2.763(0.882 ~ 8.655)

 278–301

1.00(reference)

1.00(reference)

 P for trend

 < 0.001

0.002