Case # RDS BPD IVH Hydrocephalus Transfusion  No. Ventilation/days Pneumonia NEC Osteopenia PDA
1 III + III + 3 56 + + 0 0
2 II 0 III 0 6 33 + 0 0 +
3 IV + III + 7 57 + 0 + +
4 II 0 II 0 5 13 0 0 0 0
5 IV + III + 15 64 + + 0 +
6 I/II 0 II 0 14 52 + + 0 +
7 IV + III + 11 64 + + 0 +
8 III 0 II 0 8 40 0 0 0 0
9 II 0 II 0 5 25 + 0 0 0
10 I 0 III 0 4 16 + 0 0 +
11 II 0 III + 6 50 + 0 + +
12 IV 0 III + 13 50 + + 0 +
13 II 0 III 0 7 44 0 + 0 +
14 II + IV 0 5 12 0 0 0 0
15 I 0 III + 13 40 0 0 0 +
16 III + IV + 9 60 + + + + 
17 II 0 II + 3 65 + + 0 0
18 II + III   2 56 + + + +
Table 4: Characteristics of clinical features in consecutively studied prematures with severe ROP in whom combined therapy was applied.
Case # - consecutive patients number, RDS-respiratory distress syndrome (I,II,III,IV RDS-stages of RDS), BPD-bronchopulmonary dysplasia, (+/0 – presence or absence of examined feature), IVH-intraventricular hemorrhage, Transfusion No.-number of transfusions, Ventilation-mechanical ventilation (number of days), NEC-enterocolitis necroticans, PDA-patent ductus arteriosus, L-DPA patent ductus arteriosus surgical ligation.