Baseline characteristics of the study groups
| Variable | Cases (n = 71) | Controls (n = 101) | p Value |
|---|---|---|---|
| Values are mean (SD) or number (%). | |||
| SGA, Small for gestational age (below the tenth centile). | |||
| Male | 39 (55%) | 62 (61%) | 0.491 |
| Gestational age (weeks) | 27.83 (3.63) | 28.89 (3.67) | NS |
| <25 weeks | 12 (17%) | 11 (11%) | 0.361 |
| 25–28 weeks | 34 (48%) | 42 (42%) | 0.507 |
| 29–32 weeks | 14 (20%) | 27 (27%) | 0.378 |
| >32 weeks | 11 (15%) | 20 (20%) | 0.601 |
| Birth weight (g) | 1115.98 (572.36) | 1275.55 (626.63) | NS |
| <800 g | 25 (35%) | 24 (24%) | 0.143 |
| 800–1500 g | 31 (44%) | 44 (44%) | 0.886 |
| 1500–2000 g | 6 (8%) | 16 (16%) | 0.231 |
| >2000 g | 9 (13%) | 16 (16%) | 0.719 |
| SGA | 9 (13%) | 14 (14%) | 0.998 |
| Apgar score | |||
| 1st min | 4.59 (2.66) | 5.12 (2.21) | NS |
| 5th min | 7.03 (1.84) | 7.28 (1.79) | NS |