Table 1. Distribution of clinicopathological and sociodemographic features in patients.

SD: standard deviation; HPV: human papillomavirus

Characteristic	Total Patients (n=100)	HPV+ (n=60)	HPV- (n=40)
Age (in years), mean ±SD	58.7 ± 12.4	55.3 ± 11.2	63.9 ± 13.5
Gender (male), n (%)	70 (70%)	42 (70%)	28 (70%)
Female n (%)	30 (30%)	18 (30%)	12 (30%)
Tumor site n (%)
Oropharynx	40 (40%)	36 (60%)	4 (10%)
Larynx	30 (30%)	10 (16.6%)	20 (50%)
Oral cavity	30 (30%)	14 (23.3%)	16(40%)
p16 expressions n (%)
+	60 (60%)	58 (96.6%)	2 (5%)
-	40 (40%)	2 (3.33%)	38 (95%)