Table 4.
Age < 70 | Age ≥ 70 | Total | |
---|---|---|---|
(n = 2379) | (n = 309) | (n = 2688) | |
Due to this disease (local, regional, or distant) | 734 (54.7%) | 113 (41.9%) | 847 (52.6%) |
Due to second primary or other malignancy | 128 (9.5%) | 22 (8.1%) | 150 (9.3%) |
Due to protocol treatment | 17 (1.3%) | 6 (2.2%) | 23 (1.4%) |
Due to other cause | 261 (19.5%) | 94 (34.8%) | 355 (22.0%) |
Unknown | 201 (15.0%) | 35 (13.0%) | 236 (14.6%) |