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Table 2 Correlation of constant parameters with the VEGF concentration in tracheal aspirates of 57 infants

From: Deleted in malignant brain tumors 1 (DMBT1) elicits increased VEGF and decreased IL-6 production in type II lung epithelial cells

Parameter   p-value
Gestational age (postmenstrual age in weeks, mean ± standard deviation) 27.5 ± 4.2 0.9230
Birth weight (g, mean ± standard deviation) 1128 ± 839 0.6718
Bronchopulmonary dysplasia (n) 34 (60%) 0.3076
Asphyxia (n) 7 (12%) 0.4642
Intraventricular hemorrhage (all grades) 16 (28%) 0.2607
Cerebral hemorrhage (intraventricular, cerebellar, n) 17 (30%) 0.2782
Respiratory distress syndrome (n) 50 (88%) 0.7636
Maximal grade of respiratory distress syndrome (RDS)   0.4284
No RDS (n) 7 (12%)  
Grade 1 (n) 6 (11%)
Grade 2 (n) 18 (32%)
Grade 3 (n) 20 (35%)
Grade 4 (n) 6 (11%)
Survival (n) 49 (86%) 0.8802
Antenatal corticosteroids for lung development (complete, n) 32 (56%) 0.9443
Maternal infection (n) 23 (40%) 0.4403
Premature rupture of the membranes (n) 8 (14%) 0.2180
Small for gestational age (n) 15 (26%) 0.4428
Number of days with infection (median, range) 11 (0–80) 0.7470
Retinopathy of prematurity (n) 34 (60%) 0.9268
Maximal grade of Retinopathy of prematurity (RPM)   0.6947
No RPM 23 (40%)  
Stage 1 (n) 4 (7%)
Stage 2 (n) 16 (28%)
Stage 3 (n) 14 (25%)
Stage 4 (n) 0
Stage 5 (n) 0