Table 1.

Characteristics of patients enrolled on RET5 Stratum B (n=27)

Age at enrollment (months)
Median (range)	8.1 (0.7–22.1)
Age at diagnosis (months)
Median (range)	7.9 (0.7–22.0)
Sex
Male	14 (51.9%)
Female	13 (48.1%)
Race
White	21 (77.8%)
Black	2 (7.4%)
Other	4 (14.8%)
Reese-Ellsworth group (n=54 eyes)*
II	4 (7.4%)
III	8 (14.8%)
IV	18 (33.3%)
V	24 (44.4%)
International Classification for Retinoblastoma
A	2 (3.7%)
B	15 (27.8%)
C	8 (14.8%)
D	25 (46.3%)
E	4 (7.4%)

^*Includes one patient who underwent enucleation of one eye (RE group VB) before enrollment.