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Table 5 Multivariate analysis

From: Incidence and risk factors of retinopathy of prematurity in three neonatal intensive care units in Palestine

Risk factors

AOR

95% CI

P value

Gestational age (weeks)

.393

.159–.972

.043*

Birth weight (grams)

.999

.994–1.003

.58

Multiple gestation

1.376

.561–3.372

.49

Sibling affected by ROP

.761

.136–4.261

.76

Level of hemoglobin at birth (g/dl)

1.089

.734–1.614

.67

Respiratory distress syndrome

.862

.176–4.224

.86

Lowest hemoglobin level (g/dl)

.764

.387–1.506

.44

Maximum bilirubin level (mg/dl)

.528

.322–.867

.012*

Blood transfusion

2.642

.660–10.576

.17

Total days on mechanical ventilation

.963

.868–1.069

.48

Total days on non mechanical ventilation

.983

.851–1.134

.81

Total days on oxygen supplement

1.120

1.006–1.246

.038*

  1. *significant at p value less than 0.05
  2. AOR Adjusted Odds ratio
  3. CI Confidence interval
  4. ROP Retinopathy of Prematurity