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Clinical Baseline Information of 51 Patients With RB
| Parameters | Cases (n = 51) | |
|---|---|---|
| Age, y | < 3 | 32 (62.74%) |
| ≧ 3 | 19 (37.26%) | |
| Sex | Male | 25 (49.02%) |
| Female | 26 (50.98%) | |
| IIRC stage | Early stage | 18 (35.29%) |
| Advanced stage | 33 (64.71%) | |
| Optic nerve invasion | Negative | 27 (52.94%) |
| Positive | 24 (47.06%) | |
| Differentiation grade | Well/moderately differentiated | 30 (58.82%) |
| Poorly differentiated | 21 (41.18%) |
RB, retinoblastoma; IIRC, intraocular international retinoblastoma classify.
