Table 1.
Comparison of basal characteristics of the patients from groups 1 and 2.
| Whole Sample | Gestational Age ≤ 28 Weeks | Gestational Age > 28 Weeks | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Group 1 (n = 99) | Group 2 (n = 128) | p | Group 1 (n = 26) | Group 2 (n = 43) | p | Group 1 (n = 73) | Group 2 (n = 85) | p | |
| Mean ± SD | Mean ± SD | Mean ± SD | |||||||
| Gestational age (weeks) | 29.5 ± 2.3 | 29.1 ± 2.3 | 0.227 | 26.2 ± 1.3 | 26.3 ± 1.3 | 0.853 | 30.7 ± 1.1 | 30.5 ± 1.2 | 0.180 |
| Birth weight (g) | 1283 ± 393 | 1197 ± 370 | 0.095 | 844 ± 183 | 854 ± 210 | 0.759 | 1439 ± 323 | 1371 ± 306 | 0.499 |
| Birth weight z score | 0.11 ± 0.87 | −0.14 ± 0.93 | 0.204 | 0.05 ± 0.98 | −0.12 ± 1.05 | 0.516 | −0.00 ± 0.83 | −0.16 ± 0.87 | 0.261 |
| CRIB (Clinical Ric Index for Babies) score | 2.2 ± 3.0 | 2.8 ± 3.1 | 0.188 | 5.5 ± 3.8 | 5.1 ± 3.3 | 0.622 | 1.0 ± 1.4 | 1.6 ± 2.1 | 0.062 |
| n (%) | n (%) | n (%) | |||||||
| Gender (boy) | 56 (56.6%) | 69 (53.9%) | 0.690 | 14 (53.8%) | 23 (53.5%) | 0.977 | 42 (57.5%) | 46 (54.1%) | 0.666 |
| Intrauterine growth restriction (IUGR) | 18 (18.2%) | 15 (11.7%) | 0.171 | 7 (26.9%) | 4 (9.3%) | 0.087 | 11 (15.2%) | 11 (12.9%) | 0.700 |
| Small for gestational age (SGA) | 7 (7.2%) | 10 (8.6%) | 0.706 | 3 (11.5%) | 4 (10.0%) | 1.000 | 4 (5.6%) | 6 (7.9%) | 0.747 |
| Multiple pregnancy | 39 (39.4%) | 47 (36.7%) | 0.771 | 8 (30.8%) | 12 (27.9%) | 0.800 | 31 (42.5%) | 35 (41.2%) | 0.870 |
| Cesarean section | 55 (55.6%) | 86 (67.2%) | 0.073 | 17 (65.4%) | 29 (67.4%) | 0.861 | 38 (52.1%) | 57 (67.1%) | 0.055 |
| Prenatal steroid course (2 doses) | 69 (69.7%) | 79 (61.7%) | 0.211 | 14 (53.8%) | 29 (67.4%) | 0.259 | 55 (75.3%) | 50 (58.8%) | 0.028 |