Variable | Pre term Control group (n = 30) | Pre term RDS group (n = 30) | Chi square test | ||||
Mean ± SD | Range | Mean ± SD | Range | X2/t | p-value | ||
Gestational age {GA} (WK) | 35.73 ± 0.45 | (35 - 36) | 35.43 ± 0.679 | (34 - 36) | −2.018 | 0.058 | |
Birth Weight {BW} (Kg) | 2.49 ± 0.96 | (2.3 - 2.7) | 2.40 ± 0.21 | (2.1 - 2.7) | −2.093 | 0.051 | |
Birth length{BL} (cm) | 45.77 ± 1.22 | (44 - 48) | 44.87 ± 2.315 | (40 - 48) | −1.883 | 0.065 | |
Head circumference {HC} (cm) | 33.96 ± 0.67 | (33 - 35) | 33.38 ± 1.99 | (25 - 35.5) | 1.513 | 0.153 | |
Gender {n (%)} | Male | 14 | 46.5% | 15 | 50% | 0.258 | 0.795 |
Female | 16 | 53.5% | 15 | 50% | |||
Apgar | 1 min | 7.30 ± 0.75 | (6 - 8) | 5.87 ± 1.28 | (3 - 7) | 5.280 | 0.001 |
5 min | 8.96 ± 0.18 | (8 - 9) | 8.37 ± 0.96 | (6 - 9) | 3.309 | 0.001 | |
Blood ?gases | PH | 7.39 ± 0.02 | 7.34 - 7.43 | 7.32 ± 0.08 | 7.1 - 7.49 | 4.524 | 0.001 |
PCO2 (mmHg) | 39.75 ± 2.02 | 36.5 - 44 | 42.89 ± 5.29 | 36 - 56 | −3.034 | 0.004 | |
pO2 (mmHg) | 78.52 ± 28.40 | 45 - 154 | 45.74 ± 4.53 | 35.3 - 55 | 6.242 | 0.000 | |
HCO3 (mmol/L) | 22.82 ± 0.49 | 22 - 23.6 | 18.79 ± 4.29 | 10.2 - 28.2 | 5.119 | 0.000 |