Table 2

Primary conservative treatment method in relation to Reese Ellsworth group

Reese-Ellsworth groupsCryotherapy (n = 15)Plaque (n = 4)Chemotherapy (n = 11)LSRT (n = 40)WERT (n = 31)Xenon+cryotherapy (n = 1)CTT (n = 1)Plaque+cryotherapy (n = 1)Chemotherapy+WERT (n = 3)
LSRT  =  lens sparing radiotherapy, WERT  =  whole eye radiotherapy, Plaque  =  plaque brachytherapy, Xenon+cryotherapy  =  combined indirect xenon arc photocoagulation and cryotherapy, CTT  =  chemothermotherapy.
Initial treatment method for the retinoblastoma(s) in the study eye.
I (n = 15)3011100000
II (n = 7)001510000
III (n = 56)124521111011
IV (n = 8)000350000
V (n = 21)0040140102