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Demographic characteristics of zinc and control groups
| Characteristics | Control group (n=22) | Zinc group (n=22) |
|---|---|---|
| Male, n (%) | 19 (86.4) | 17 (77.3) |
| Preterm, n (%) | 19 (86.4) | 15 (68.2) |
| Birth weight (kg), mean±SD | 1.72±0.3 | 1.85±0.6 |
| Apgar score at five minutes, median (range) | 8 (6-9) | 8 (6-9) |
| Blood culture positive, n (%) | 6 (27.3) | 7 (31.8) |
| Serum zinc levels (µg/l), mean±SD | ||
| Baseline | 794.7±189.22 | 811.2±129.9 |
| 10th day of supplementation | 824.9±155.2 | 901.15±146.85*** |
***P<0.001 compared to baseline
