Table 1 Patient characteristics according to p16 status (n = 81 patients)
From: Factors influencing patient and health care delays in Oropharyngeal Cancer
p16-positive, n = 64 (%) | p16-negative, n = 17 (%) | P value | All, n = 83 (%) | |
|---|---|---|---|---|
Sex | ||||
Male | 46 (71.9) | 12 (70.6) | 1.000 | 60 (72.3) |
Female | 18 (28.1) | 5 (29.4) | 23 (27.7) | |
Mean age (in years) | 59.7 | 66.6 | 0.023 | 61.4 |
History of smoking | ||||
Never smoked | 23 (35.9) | 2 (11.8) | < 0.001 | 26 (31.3) |
Former smoker | 33 (51.6) | 5 (29.4) | 39 (47.0) | |
Current smoker | 8 (12.5) | 10 (58.8) | 18 (21.7) | |
Excessive use of alcohol | ||||
No | 46 (71.9) | 4 (23.5) | < 0.001 | 52 (62.6) |
Yes | 11 (17.2) | 6 (35.3) | 17 (20.5) | |
Previous use | 7 (10.9) | 7 (41.2) | 14 (16.9) | |
T classb | ||||
T1–2 | 47 (73.4) | 13 (76.5) | 1.000 | 61 (73.5) |
T3–4 | 17 (26.6) | 4 (23.5) | 22 (26.5) | |
N classb | ||||
N+ | 10 (15.6) | 6 (35.3) | 0.090 | 16 (19.3) |
N0 | 54 (84.4) | 11 (64.7) | 67 (80.7) | |
Stageb | ||||
I-II | 6 (9.4) | 5 (29.4) | 0.047 | 11 (13.3) |
III-IV | 58 (90.6) | 12 (70.6) | 72 (86.7) | |
Histological gradec | ||||
I | 1 (1.6) | 2 (12.5) | 0.005 | 3 (3.7) |
II | 9 (14.3) | 6 (37.5) | 16 (19.8) | |
III | 53 (84.1) | 8 (50.0) | 62 (76.5) | |