Table 4.
Screening criteria used in premature children for recruitment according to categories of severity of ROP
| SCREENING CRITERIA | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| BW < 1750 g only | GA ≤ 34w only | BW < 1750 g and GA ≤ 34w | Other | TOTAL | |||||
| n | % | n | % | n | % | n | % | n | |
| non RT 1 | 7 | 7.4% | 13 | 13.8% | 48 | 51.1% | 26 | 27.7% | 94 |
| Mature Retina | 1 | 10.0% | 1 | 10.0% | 1 | 10.0% | 7 | 70.0% | 10 |
| Immature Retina | 4 | 8.3% | 8 | 16.7% | 20 | 41.7% | 16 | 33.3% | 48 |
| Mild ROP | 2 | 6.9% | 2 | 6.9% | 22 | 75.9% | 3 | 10.3% | 29 |
| Type 2 ROP | 0 | 0.0% | 2 | 28.6% | 5 | 71.4% | 0 | 0.0% | 7 |
| RT 1 | 0 | 0.0% | 4 | 10.5% | 33 | 86.8% | 1 | 2.6% | 38 |
| Type 1 ROP | 0 | 0.0% | 3 | 8.3% | 32 | 88.9% | 1 | 2.8% | 36 |
| Advanced ROP | 0 | 0.0% | 1 | 50.0% | 1 | 50.0% | 0 | 0.0% | 2 |
| All | 7 | 5.3% | 17 | 12.9% | 81 | 61.4% | 27 | 20.5% | 132 |
1 RT: requiring treatment