Patient characteristics of Hodgkin lymphoma population
| . | Patients, no. . | % . |
|---|---|---|
| Total | 518 | 100 |
| Age at first treatment, y | ||
| 14 to 21 | 172 | 33.2 |
| 22 to 28 | 170 | 32.8 |
| 29 to 39 | 176 | 34.0 |
| Year of first treatment | ||
| 1966 to 1973 | 146 | 28.2 |
| 1974 to 1982 | 134 | 25.9 |
| 1983 to 1995 | 238 | 45.9 |
| Initial stage of HL | ||
| I | 92 | 17.8 |
| II | 273 | 52.7 |
| III | 64 | 12.4 |
| IV | 36 | 6.9 |
| Unknown | 53 | 10.2 |
| Total treatment* | ||
| RT only | 187 | 36.1 |
| CT only | 52 | 10.0 |
| Initial RT plus CT (first year), no further treatment | 192 | 37.1 |
| RT plus CT, including follow-up treatment† | 87 | 16.8 |
| Lifestyle factors | ||
| Smoking | 139 | 26.8 |
| Use of oral contraceptives | 340 | 65.6 |
| Overweight | 120 | 23.2 |
| . | Patients, no. . | % . |
|---|---|---|
| Total | 518 | 100 |
| Age at first treatment, y | ||
| 14 to 21 | 172 | 33.2 |
| 22 to 28 | 170 | 32.8 |
| 29 to 39 | 176 | 34.0 |
| Year of first treatment | ||
| 1966 to 1973 | 146 | 28.2 |
| 1974 to 1982 | 134 | 25.9 |
| 1983 to 1995 | 238 | 45.9 |
| Initial stage of HL | ||
| I | 92 | 17.8 |
| II | 273 | 52.7 |
| III | 64 | 12.4 |
| IV | 36 | 6.9 |
| Unknown | 53 | 10.2 |
| Total treatment* | ||
| RT only | 187 | 36.1 |
| CT only | 52 | 10.0 |
| Initial RT plus CT (first year), no further treatment | 192 | 37.1 |
| RT plus CT, including follow-up treatment† | 87 | 16.8 |
| Lifestyle factors | ||
| Smoking | 139 | 26.8 |
| Use of oral contraceptives | 340 | 65.6 |
| Overweight | 120 | 23.2 |
RT indicates radiotherapy; CT, chemotherapy.
Treatment until end of follow-up in this study; total treatment for HL and all recurrences may be more extensive; 99 patients were treated for recurrent disease.
Cumulative exposure switched from CT only to RT plus CT in 12 patients, and from RT only to RT plus CT in 58 patients.