Table 1.
General characteristics of 4,171 survivors of childhood cancer
| Country | France | Britain |
|---|---|---|
| No. of patients (%) | 2,967 (71.1) | 1,204 (28.9) |
| Years of treatment: median (range) | 1977 (1946–1985) | 1974 (1942–1985) |
| Age at diagnosis in years: median (range) | 4 (0–20) | 5.0 (0–15) |
| Follow-up in years: median (range) | 26 (5–61) | 28 (5–62) |
| Sex: no. (%) of males/no. (%) of females | 1,626 (54.8)/1,341 (45.2) | 675 (56.1)/529 (43.9) |
| First cancer treatment no. (%) | ||
| Neither CT nor RT | 212 (7.1) | 196 (16.3) |
| CT but no RT | 681 (23.0) | 203 (16.9) |
| RT but no CT | 578 (19.5) | 363 (30.1) |
| RT and CT | 1,496 (50.4) | 442 (36.7) |
| Death before end of study no. (%) | 561 (18.9) | 233 (19.4) |
| Bone sarcomas during follow-up no. (%) | 35 (1.2) | 4 (0.3) |
| Radiation dosea (Gy): median (range) | ||
| Head | 0.5 (0–110) | 0.5 (0–126) |
| Pectoral girdle | 0.7 (0–180) | 0.6 (0–90) |
| Ribs | 1.0 (0–99) | 0.6 (0–90) |
| Spine | 1.1 (0–111) | 0.6 (0–99) |
| Pelvis | 0.8 (0–47) | 0.3 (0–61) |
| Legs | 0.1 (0–81) | 0.1 (0–96) |
CT chemotherapy, RT radiotherapy, but no brachytherapy
aFor irradiated patients only, except for those treated by brachytherapy. Not available for arms