Table 3.
Neonatal and clinical quantitative data of the premature babies screened for retinopathy of prematurity (n = 424)
| All infants | No ROP | Any ROP | Treatment-warranted ROP | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Missing data | Mean (median) | ± SD | Min | Max | Missing data | Mean (median) | ± SD | Min | Max | Missing data | Mean (median) | ± SD | Min | Max | Missing data | Mean (median) | ± SD | Min | Max | |
| Apgar score | ||||||||||||||||||||
| 1 min after birth | 50 | 6.68 (7) | 1.49 | 2 | 10 | 45 | 6.70 (7) | 1.5 | 2 | 10 | 5 | 6.54 (7) | 1.39 | 3 | 9 | 3 | 6.60 (7) | 1.07 | 5 | 8 |
| 5 min after birth | 51 | 7.76 (8) | 1.23 | 3 | 10 | 46 | 7.76 (8) | 1.24 | 3 | 10 | 5 | 7.77 (8) | 1.03 | 5 | 9 | 2 | 7.82 (8) | 1.25 | 5 | 9 |
| 10 min after birth | 65 | 8.39 (9) | 1.11 | 3 | 10 | 58 | 8.40 (9) | 1.12 | 3 | 10 | 7 | 8.25 (8) | 1.03 | 6 | 10 | 1 | 8.1 (8.5) | 1.1 | 6 | 9 |
| Days of received supplemental oxygen | 11 | 11 | ||||||||||||||||||
| Total days on any supplemental oxygen | 12.48 (5) | 17.88 | 1 | 130 | 11.02 (5) | 16.48 | 1 | 130 | 26.15 (15) | 24.15 | 2 | 76 | 17.25 (9.5) | 21.14 | 2 | 74 | ||||
| Days on continuous positive airway pressure (CPAP) | 3.84 (1) | 6.71 | 0 | 47 | 3.5 (1) | 6.24 | 0 | 47 | 7.07 (5) | 9.71 | 0 | 41 | 6.17 (1) | 8.67 | 0 | 23 | ||||
| Days on high flow nasal cannula oxygen | 7.98 (3) | 12.75 | 0 | 86 | 6.53 (3) | 11.3 | 0 | 86 | 18.52 (10) | 19.42 | 0 | 71 | 11.08 (5,5) | 13.79 | 2 | 52 | ||||
| Days on a ventilator | 0.66 (0) | 4.53 | 0 | 58 | 0.67 (0) | 4.75 | 0 | 58 | 0.56 (0) | 1.37 | 0 | 4 | 0 (0) | 0 | 0 | 0 | ||||
| Average daily weight gain during the first 3 weeks, expressed in g/kg birth weight | 170 | 2.49 (2.5) | 0.99 | 1 | 5 | 161 | 2.50 (2.5) | 0.99 | 1 | 5 | 9 | 2.36 (2.5) | 1.05 | 1 | 4 | 3 | 2.2 (2.5) | 1.12 | 1 | 4 |
ROP retinopathy of prematurity