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Identified ROP stage at the time of diagnosis, according to categories of severity of ROP
| STAGE | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4A | 4B | TOTAL | ||||||
| n | % | n | % | n | % | n | % | n | % | n | |
| non RT 1 | 18 | 50.0% | 14 | 38.9% | 4 | 11.1% | – | – | – | – | 36 |
| Mild ROP | 17 | 58.6% | 11 | 37.9% | 1 | 3.4% | – | – | – | – | 29 |
| Type 2 ROP | 1 | 14.3% | 3 | 42.9% | 3 | 42.9% | – | – | – | – | 7 |
| RT 1 | 1 | 2.6% | 17 | 44.7% | 18 | 47.4% | 1 | 2.6% | 1 | 2.6% | 38 |
| Type 1 ROP | 1 | 2.8% | 17 | 47.2% | 18 | 50.0% | – | – | – | – | 36 |
| Advanced ROP | – | – | – | – | – | – | 1 | 50.0% | 1 | 50.0% | 2 |
| All | 19 | 25.7% | 31 | 41.9% | 22 | 29.7% | 1 | 1.4% | 1 | 1.4% | 74 |
1 RT: requiring treatment
