Table 3.

Breakdown of The Cancer Genome Atlas (TCGA) male head and neck squamous cell carcinoma (HNSCC) data by smoking history and TP53 mutation status

	HPV‐negative			HPV‐positive
Category	Mutated	Wild type	N/A	Mutated	Wild type	N/A
Never smoked	36 (87.8%)	5 (12.2%)	0 (0.0%)	3 (12.5%)	21 (87.5%)	0 (0.0%)
Stopped >15 y	25 (65.8%)	11 (28.9%)	2 (5.3%)	3 (25.0%)	9 (75.0%)	0 (0.0%)
Stopped <15 y	69 (84.1%)	11 (13.4%)	2 (2.4%)	6 (24.0%)	17 (68.0%)	2 (8.0%)
Current smoker	93 (81.6%)	14 (12.3%)	7 (6.1%)	9 (39.1%)	13 (56.5%)	1 (4.3%)
Total	223 (81.1%)	41 (14.9%)	11 (4.0%)	21 (25.0%)	60 (71.4%)	3 (3.6%)

Abbreviation: HPV, human papillomavirus.