Table 1 Main characteristics of the population.
Total population n = 52 | ROP n = 27 | No-ROP n = 25 | P-value | |
|---|---|---|---|---|
Sampling time (h) | 12 [12–24] | 12 [12–21] | 12 [12–30] | 0.0569 |
Male | 26 (50.0) | 14 (51.8) | 12 (48.0) | 0.7813 |
Gestational age (weeks) | 27.1 [26.2–27.7] | 26.5 [25.5–27.1] | 27.6 [27.1–28.4] | 0.0009 |
Birth weight (g) | 887 [797–1081] | 815 [735–967] | 1020 [870–1160] | 0.0014 |
ROP | 27 (51.9) | 27 (100) | — | — |
ROP treated | 3 (5.8) | 3 (11.1) | — | — |
ROP detection (weeks) | 8.2 [6.6–9.5] | 8.2 [6.6–9.5] | — | — |
Mechanical ventilation (days) | 7.0 [1.0–14.0] | 11.0 [5.5–16.5] | 2.0 [1.0–7.0] | 0.0004 |
Sepsis | 23 (44.2) | 16 (59.2) | 7 (28.0) | 0.0233 |
Erythropoietin use | 33 (63.4) | 18 (66.6) | 15 (60.0) | 0.6179 |
RBC transfusion | 25 (48.0) | 17(62.9) | 8(32.0) | 0.0255 |
Cerebral hemorrhage | 25 (48.0) | 13 (48.1) | 12 (48.0) | 0.9914 |
