Table 3.
Distribution of primary site, definitive therapy, and alcohol consumption in 427 patients with head and neck squamous cell carcinoma
| Primary site | Definitive therapy | n = 427 (%) | Drinking categories | P‐value† | |||
|---|---|---|---|---|---|---|---|
| Non‐drinker | Light | Moderate | Heavy | ||||
| n = 115 (%) | n = 93 (%) | n = 74 (%) | n = 147 (%) | ||||
| Oral cavity | Op | 189 (44.3) | 67 (59.1) | 48 (51.6) | 28 (37.8) | 46 (31.3) | 0.420 |
| RT | 17 (4.0) | 4 (3.5) | 3 (3.2) | 3 (4.1) | 7 (4.8) | ||
| Tongue | Op | 132 (31.0) | 41 (36.5) | 39 (41.9) | 18 (24.3) | 34 (23.1) | 0.958 |
| RT | 13 (3.0) | 4 (3.5) | 3 (3.2) | 2 (2.7) | 4 (2.7) | ||
| Non‐tongue‡ | Op | 57 (13.3) | 26 (22.6) | 9 (9.7) | 10 (13.5) | 12 (8.2) | 0.072 |
| RT | 4 (0.9) | 0 (0.0) | 0 (0.0) | 1 (1.4) | 3 (2.0) | ||
| Laryngopharynx (oropharynx, hypopharynx, larynx) | Op | 80 (18.6) | 14 (12.2) | 14 (15.1) | 17 (23.0) | 35 (23.8) | 0.908 |
| RT | 141 (33.1) | 28 (25.2) | 28 (30.1) | 26 (305.4) | 59 (40.1) | ||
| Oropharynx | Op | 29 (6.8) | 3 (2.6) | 7 (7.5) | 9 (12.2) | 10 (6.8) | 0.285 |
| RT | 44 (10.3) | 11 (9.6) | 11 (11.8) | 7 (9.5) | 15 (10.2) | ||
| Hypopharynx | Op | 40 (9.3) | 6 (5.2) | 5 (5.4) | 6 (8.1) | 23 (15.6) | 0.592 |
| RT | 56 (13.1) | 4 (3.5) | 7 (7.5) | 12 (16.2) | 33 (22.4) | ||
| Larynx | Op | 11 (2.6) | 5 (4.3) | 2 (2.2) | 2 (2.7) | 2 (1.4) | 0.829 |
| RT | 42 (9.8) | 13 (12.2) | 10 (10.8) | 7 (9.5) | 11 (7.5) | ||
Alcohol consumption graded as: light, <23 g ethanol/day; moderate, 23–46 g ethanol/day; and heavy, >46 g ethanol/day. †χ2‐test. ‡Oral cancer and not tougue consist of gingiva, oral floor, and buccal mucosa. Op, surgery; RT, radiotherapy.