Table I. Infant clinical characteristics.
| Infant | gender | GA (week + day) | BW (gr) | Delivery mode | FI | #AB | AB1 | AB2 | Maternal AB | Days until full EF* | Human milk (% per week)** | Discharge*** | Respiratory support (days)**** |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | Female | 25 + 2 | 680 | Vaginal | Yes | 2 | Amx/Ctz/Va | Ctz/Va | Yes | 10 | 35, 89, 100, 100, 100 | 82 | 76 |
| B | Male | 26 + 4 | 670 | C-section | Yes | 2 | Amx/Ctz/Va | Mem/Va/Erm | No | 17 | 13, 47, 40, 21, 15 | 72 | 74 |
| C | Male | 26 + 6 | 630 | C-section | Yes | 2 | Amx/Ctz/Va | Ctz/Va/Mtz | No | 14 | 15, 63, 100, 100, 100 | 85 | 66 |
| D | Male | 27 + 0 | 1095 | C-section | No | 2 | Amx/Ctz/Erm | Ctz/Va | Yes | 10 | 41, 93, 22, 49, 100 | 61 | 58 |
| E | Male | 27 + 5 | 925 | C-section | Yes | 2 | Amx/Ctz | Ctz/Va | No | 16 | 3, 32, 98, 100, 100 | 64 | 57 |
| F | Female | 30 + 4 | 1260 | C-section | Yes | 1 | Amx/Ctz | - | No | 12 | 7, 71, 100, 100, 93 | 7 | 6 |
| G | Female | 30 + 4 | 1600 | C-section | No | 0 | - | - | No | 10 | 2, 87, 100, 100, 66 | 4 | 4 |
| H | Female | 30 + 4 | 1220 | C-section | No | 1 | Ctz/Va | - | No | 12 | 15, 79, 100, 100, 100 | 10 | 0 |
| I | Male | 30 + 6 | 1750 | Vaginal | No | 1 | Amx/Ctz | - | No | 8 | 45, 100, 100, 100, 100 | 8 | 2 |
| J | Female | 30 + 1 | 1675 | C-section | No | 1 | Amx/Ctz | - | No | 9 | 10, 95, 56, 9, 0 | 13 | 5 |
BW: birth weight, FI: food intolerance, #AB: number of antibiotic treatments, AB1: first course antibiotics, AB2: second course antibiotics, EF: enteral feeding, Amx: amoxicillin, Ctz: ceftazidime, Erm: erythromycin, Mem: meropenem, Mtz: metronidazole, Va: vancomycin.
* Days to reach full enteral feeding (>140 ml/kg/day).
** Percentage of total feeding (enteral + parenteral).
*** Days until discharge.
**** Respiratory support as mechanical ventilation and/or CPAP in days.