Table 1 General characteristics of the study population
| Â | Study Group | Control Group | p value |
|---|---|---|---|
N | 162 (46.3) | 188 (53.7) | Â |
Gender | Â | Â | Â |
   Females | 81 (50.0) | 89 (47.3) |  |
   Males | 81 (50.0) | 99 (52.7) | 0.70 |
Gestational Age | Â | Â | Â |
   ≤ 32 | 39 (24.1) | 43 (22.9) |  |
   > 32, ≤ 35 | 69 (42.6) | 72 (38.3) |  |
   > 35 | 54 (33.3) | 73 (38.8) | 0.56 |
Weight (grams) | Â | Â | Â |
At Birth | Â | Â | Â |
   ≤ 1700 | 27 (16.7) | 36 (19.2) |  |
   > 1700, ≤ 2200 | 62 (38.3) | 63 (33.5) |  |
   > 2200 | 73 (45.0) | 89 (47.3) | 0.62 |
At Admission* | 2148 (486.7) | 2212 (562.3) | 0.25 |
Oral feeding at admission | Â | Â | Â |
   No | 129 (79.6) | 129 (68.6) |  |
   Yes | 33 (20.4) | 59 (31.4) | 0.03 |