Research Article

Cytokines and Exhaled Nitric Oxide Are Risk Factors in Preterm Infants for Bronchopulmonary Dysplasia

Table 1

The basic infant characteristics between the BPD and non-BPD groups.

BPD group ()Non-BPD group () value

Male gender: (%)9 (64.3%)16 (50%)0.370
Singleton: (%)10 (71.4%)28 (87.5%)0.183
Birth weight: (grams)0.000
Gestational age: (weeks)0.000
Small gestational age (SGA): (%)01 (3.1%)1.000
Apgar 1 min: 0.140
Apgar 5 min: 0.090
Apgar 10 min: 0.084
NRDS: (%)14 (100%)23 (71.9%)0.048
Patent ductus arteriosus (PDA): (%)12 (85.7%)12 (37.5%)0.004
Late-onset neonatal sepsis (LOS): (%)7 (50%)15 (46.9%)0.844
Anemia: (%)14 (100%)23 (71.9%)0.030
Minimum hemoglobin: (g/l)0.220
Duration of mechanical ventilation (days): (P25-P75)36 (27-53)10 (7-15)0.000
Duration of invasive ventilation (days): (P25-P75)4 (2.7-7.2)00.000
Nebulized inhaled hormone and bronchodilator: (%)8 (57.1%)4 (12.5%)0.003
Intravenous hormone: (%)4 (28.6%)2 (6.3%)0.060
Duration of parenteral nutrition: (days)0.000
Length of hospital stay: (days)0.000
Corrected gestational age at discharge: 0.000

represents the number of patients.