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Patient demographics and clinical staging in eyes with intraocular retinoblastoma.
| Mean age (range) | 21.4 (1–204) |
| Sex (male/female) | 142/114 |
| Laterality (unilateral/bilateral) | 161/95 |
| ICRB group | Eyes (%) |
| A | 22 (6.3) |
| B | 114 (32.5) |
| C | 28 (8.0) |
| D | 90 (25.6) |
| E | 97 (27.6) |
ICRB international classification of retinoblastoma.
