Table 2. Treatment and eye-preservation rates in RB patients at different stages.

Staging	Total	Age at diagnosis (mo, mean±SD)	Treatment duration (mo, mean±SD)	Eye preservation	Enucleation	Eye preservation rate (%)
Stage A	6	23.92±17.13	18.27±9.46	6	0	100
Stage B	9	27.18±21.07	15.26±3.47	9	0	100
Stage C	9	20.73±14.18	12.84±4.68	9	0	100
Stage D	21	24.10±16.25	20.48±11.48	15	6	71.43
Stage E	19	20.17±13.24	18.17±16.71	7	12	36.84
Extraocular stage	7	24.87±15.73	10.74±2.88	0	7	0

RB: Retinoblastoma.