Group A: surgery | Group B1: primary RT | Group B2: postoperative RT | Controls | p-value | |
---|---|---|---|---|---|
Number | 41 | 42 | 89 | 16 | |
Time frame | 08/11–09/13 | 07/07–06/09 | 09/07 | ||
Follow-Up (median, months) | 24.6 | 17.3 | 49.3a | <0.01 | |
Gender m/f | 34/7 | 37/5 | 70/19 | 8/8 | n.s. |
Age (mean) | 62,3 | 61,0 | 59,9 | 41,6a | n.s. |
T-stage | |||||
1 | 9 | 0 | 27 | < 0.01 | |
2 | 15 | 1 | 28 | ||
3 | 12 | 6 | 16 | ||
4 | 4 | 34 | 17 | ||
N-stage | |||||
0 | 15 | 7 | 39 | < 0,01 | |
1 | 6 | 0 | 13 | ||
2 | 20 | 29 | 35 | ||
3 | 0 | 4 | 2 | ||
UICC-stage | |||||
I/II | 5 | 1 | 31 | < 0,01 | |
III | 14 | 1 | 12 | ||
IV | 22 | 40 | 46 | ||
Tumor site | |||||
Oropharynx | 17 | 18 | 28 | 0,004 | |
Larynx | 10 | 11 | 18 | ||
Hypopharynx | 7 | 7 | 4 | ||
Oral cavity | 6 | 3 | 31 | ||
CUP | 1 | 3 | 8 |