Table 2.
Five-year absolute and relative survival in Burkitt′s Lymphoma by age group, gender, tumor site and tumor stage
| Children | Adults | Elderly | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OS | RS | p values | OS | RS | p values | OS | RS | p values | |
| Overall | 90.3 | 90.4 | 46.0 | 47.8 | 21.7 | 28.9 | |||
| Sex | |||||||||
| Female | 87.9 | 88.0 | Ref. | 46.7 | 48.2 | Ref. | 24.1 | 28.3 | Ref. |
| Male | 90.9 | 90.9 | 0.49 | 45.8 | 47.7 | 0.30 | 19.7 | 26.7 | 0.33 |
| Region | |||||||||
| Northeast | 92.1 | 92.2 | Ref. | 53.0 | 55.0 | Ref. | 21.5 | 25.6 | Ref. |
| Midwest | 90.5 | 90.5 | 0.64 | 46.7 | 48.6 | 0.17 | 20.5 | 26.1 | 0.47 |
| South | 90.2 | 90.3 | 0.54 | 42.3 | 44.1 | 0.001 | 17.4 | 22.5 | 0.17 |
| West | 89.8 | 89.9 | 0.43 | 45.0 | 46.7 | 0.007 | 23.1 | 30.8 | 0.93 |
| Primary site | |||||||||
| Lymph node | 89.8 | 89.8 | Ref. | 44.4 | 46.1 | Ref. | 20.1 | 26.2 | Ref. |
| Head and neck | 89.4 | 89.4 | 0.80 | 67.6 | 70.3 | 0.007 | 18.8 | 19.6 | 0.68 |
| GI tract | 95.2 | 95.2 | 0.08 | 55.0 | 57.0 | 0.05 | 25.5 | 34.9 | 0.23 |
| Bone marrow | 85.7 | 85.8 | 0.39 | 28.2 | 29.1 | 0.001 | 19.3 | 23.2 | 0.49 |
| CNS | 100 | 100 | 0.38 | 45.3 | 47.2 | 0.69 | 0.0 | 0.0 | – |
| Others | 92.2 | 92.2 | 0.59 | 57.2 | 59.3 | 0.004 | 29.1 | 36.1 | 0.05 |
| Stage | |||||||||
| I | 96.2 | 96.2 | Ref. | 66.1 | 68.9 | Ref. | 39.4 | 49.1 | Ref. |
| II | 94.6 | 94.7 | 0.55 | 61.3 | 63.5 | 0.31 | 20.4 | 27.5 | 0.01 |
| III | 92.0 | 92.0 | 0.17 | 49.2 | 51.1 | 0.0004 | 18.5 | 26.4 | 0.06 |
| IV | 84.7 | 84.8 | 0.001 | 38.2 | 39.7 | <0.00001 | 16.1 | 20.7 | 10−05 |
| Unknown | 86.4 | 86.5 | 0.005 | 32.1 | 33.2 | <0.00001 | 18.3 | 22.9 | 0.001 |
Abbreviation: CNS: central nervous system; GI: gastrointestinal; OS: observed survival; RS: relative survival.
Bold: Statistically significant at the 0.05 level.