Table 1 Demographic and clinical characteristics of the study population
All patients (n = 1088 infants) | EOS (n = 349 infants) | HALOS (n = 698 infants) | CALOS (n = 41 infants) | |
|---|---|---|---|---|
Birth weight (grams), n (%) | ||||
< 1500 | 352 (32.4) | 65 (18.6) | 287 (41.1) | 0 |
1501–2500 | 230 (21.1) | 81 (23.2) | 148 (21.2) | 1 (2.4) |
≥ 2500 | 506 (46.5) | 203 (58.2) | 263 (37.7) | 40 (97.6) |
Gestational age (weeks), n (%) | ||||
< 28 | 104 (9.6) | 23 (6.6) | 81 (11.6) | 0 |
28–34 | 386 (35.5) | 87 (24.9) | 299 (42.8) | 0 |
34–37 | 130 (11.9) | 61 (17.5) | 65 (9.3) | 4 (9.8) |
≥ 37 | 468 (43) | 178 (51) | 253 (36.2) | 37 (90.2) |
Male sex, n (%) | 624 (57.4) | 184 (52.7) | 441 (63.2) | 29 (70.7) |
Age during blood sampling (days) (median, IQR) | 10 (2–22) | 1 (0–2) | 17 (10–27) | 13 (9–23) |
Length of hospital stay (days) (median, IQR) | 36 (15–56) | 17 (10–36) | 39 (19–63) | 16 (11–24) |
All-cause mortality (%) | 57 (5.3) | 26 (7.4) | 31 (4.4) | 0 |