Table 2 Overview about the key figures of the cohort
From: Potential risk factors for jaw osteoradionecrosis after radiotherapy for head and neck cancer
Sex | ♂ N = 613 | ♀ N = 163 |
|---|---|---|
Five-year probability of survival | 44.1 ± 2.1 % | 55,5 ± 4.1 % |
Average age in years (standard deviation, range) | 58.1 (±10.6, 21–89) | 60.4 (±14.1, 24–90) |
Clinical stage according to UICC | ||
I | 5.2 % | 8.6 % |
II | 9.5 % | 9.8 % |
III | 16.0 % | 19.6 % |
IV a | 56.1 % | 50.9 % |
IV b | 4.6 % | 3.7 % |
IV c | 4.7 % | 2.5 % |
Unknown | 3.9 % | 4.9 % |