Characteristics of patients and eyes treated
| Characteristics of patients (n =25) | Number or value |
|---|---|
| Male | 9 |
| Female | 16 |
| Age at diagnosis, months (range) | 17.7 (0–62) |
| Bilateral | 16 |
| Unilateral | 9 |
| Sporadic | 23 |
| Familial | 2 |
| Mean follow-up, months (range) | 14.4 (1–45) |
| Characteristics of eyes at initial diagnosis (n =26) | |
| Reese-Ellsworth classification group | |
| 3a | 1 |
| 4a | 2 |
| 5a | 2 |
| 5b | 21 |
| International classification of retinoblastoma group | |
| B | 1 |
| C | 2 |
| D | 17 |
| E | 6 |