There was a higher prevalence of TC+CC rs2070744 eNOS (74.6 vs 58.3%, p = 0.01) and GT+TT rs1799983 eNOS (64.8 vs 48.0%, p = 0.01) polymorphisms in infants with BPD compared to those without BPD (Table 4). Here, NOS3 is linked to bronchopulmonary dysplasia.