|  |  |  | p value |
---|---|---|---|---|
ACE genotypes (n) | II (18) | ID (52) | DD (40) | Â |
Gestational age (weeks) | 36 (27-40) | 35 (28-40) | 36(29-40) | 0.680a |
Birth weight (g) | 2780 (960-4150) | 2705 (1065-3650) | 2755 (1170-3820) | 0.756a |
Male gender | 9 (50.0%) | 28 (53.8%) | 25 (62.5%) | 0.097b |
Duration of mechanical ventilation (days) | 0 (0-59) | 2 (0-21) | 0 (0-8) | 0.167a |
At the time of measurement | ||||
Postnatal age (days) | 8.5 (1-107) | 9.5 (1-62) | 8 (1-54) | 0.686a |
Weight (kg) | 2660 (1850-4050) | 2620 (1850-3680) | 2657 (1880-3540) | 0.618a |
cACE activity (U/L) | 39.3 (24.3-72.3) | 41.1 (16.7-71.9) | 51.1 (23.9-89.0) | 0.028a |
Pimax (cmH2O) | 71.3 (49.3-88.7) | 61.1 (36.9-90.8) | 66.1 (42.4-91.8) | 0.09a |
Pimax/weight (cmH2O/kg) | 25.3 (17.0-37.6) | 23.5 (14.5-42.3) | 24.5 (14.9-47.1) | 0.267a |