Variable Both RT and CH Others Total N 12 6 18 Age        Median (range) 75 (64-95) 74 (58-83) 75 (58-95)  ＜75 7 (58.3) 3 (50.0) 10 (55.6)  ≧75 5 (41.7) 3 (50.0) 8 (44.4) Sex        Men 9 (75.0) 6 (100.0) 15 (83.3)  Women 3 (25) 0 (0.0) 3 (16.6)

Table 2: Patient characteristics according to the treatment group. Values represent number of patients (%) unless otherwise indicated.