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Table 5 Multivariate logistic regression analysis of risk factors for survival

From: Short-term outcomes of extremely preterm infants at discharge: a multicenter study from Guangdong province during 2008–2017

Influencing factors

β value

Wald χ2

p

OR (95% CI)

Specialist hospital

0.820

35.771

<0.001

2.270 (1.735–2.969)

Economic development in high-level

0.301

4.958

0.026

1.351 (1.037–1.762)

Gestational age

0.405

25.770

<0.001

1.499 (1.282–1.753)

Birth weight

0.001

10.020

0.002

1.001 (1.001–1.002)

Twins or multiple births

−0.316

5.288

0.021

0.729 (0.557–0.954)

Apgar ≤7 at 5 min

−0.714

19.088

<0.001

0.490 (0.356–0.675)

Antenatal steroids

0.493

13.999

<0.001

1.637 (1.265–2.119)

Premature rupture of membranes

0.367

5.424

0.020

1.444 (1.060–1.967)

Cervical incompetence

−0.667

4.149

0.042

0.513 (0.270–0.975)

Care withdrawal

−4.490

400.618

<0.001

0.011 (0.007–0.017)