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Table 3 Risk factors for the development of retinopathy of prematurity (ROP): results of logistic regression analysis

From: Incidence and risk factors for retinopathy of prematurity: a retrospective cohort study

Risk factor

ROP at any stage n = 204

Type 1 prethreshold ROP n = 30

OR

95% CI

P

OR

95% CI

P

Birth weight  < 1000 g

3.10

1.73–5.55

< .001

3.66

1.67–8.00

.001

Pulmonary diseases

2.49

1.35–4.59

.004

9.58

1.27–72.04

.028

Intraventricular hemorrhage

2.17

1.10–4.30

.026

1.61

0.69–3.79

.27

Gestational age

0.81

0.73–0.91

.003

   
  1. OR odds ratio, 95% CI 95% confidence interval