Table 1 Demographic and clinical characteristics
Characteristics | N (%) |
|---|---|
Gender | |
 Male | 13 (65.0) |
 Female | 7 (35.0) |
Gestational age | |
 25–29 weeks | 2 (10.0) |
 30–34 weeks | 16 (80.0) |
  > 34 weeks | 2 (10.0) |
Birth weight (gram) | |
  < 1000 | 2 (10.0) |
 1000–2000 | 14 (70.0) |
  > 2000 | 4 (20.0) |
Pregnancy | |
 Single birth | 12 (60.0) |
 Twin birth | 8 (40.0) |
Clinical Stages of ROPa | |
 Stage 3 | 1 (2.5) |
 Stage 4b | 5 (12.5) |
 Stage 5 | 33 (82.5) |
 Regressed | 1 (2.5) |
Visual functiona | |
 No fixation to light | 10 (25.0) |
 Following to light | 24 (60.0) |
 Following to toys | 6 (15.0) |