Table 1 Patients, tumor and treatment characteristics
Variable | Value | Number (%) | Cohort N = 137 | P-value | |
|---|---|---|---|---|---|
Primary 82(60%) | Salvage 55(40%) | ||||
Age, median (range) | - | 60(37–96) | 59(45–96) | 61(37–85) | 0.13 |
Gender | Female | 9(6.6%) | 7(8.5%) | 2(3.6%) | 0.31 |
Male | 128(93.4%) | 75(91.5%) | 53(96.4%) | ||
History of smoking | Yes | 130(94.9%) | 77(94%) | 53(96.4%) | 0.52 |
No | 2(1.5%) | 2(2.5%) | - | ||
Unknown | 5(3.6%) | 3(3.5%) | 2(3.6%) | ||
History of drinking | Yes | 14(10.2%) | 11(13.5%) | 3(5.5%) | 0.18 |
No | 115(84%) | 66(80.5%) | 49(89%) | ||
Unknown | 8(5.8%) | 5(6%) | 3(5.5%) | ||
Primary tumor subsite | Glottis | 32(23.4%) | 15(18.3%) | 17(30.9%) | 0.12 |
Supraglottis | 7(5.1%) | 3(3.7%) | 4(7.3%) | ||
Overlapping | 98(71.5%) | 64(78%) | 34(61.8%) | ||