Table 1.

Clinical characteristics of patients recruited in this study

ItemCancerPrecancerNormal
Sex
 Male51 (94%)7 (100%)31 (86%)
 Female3 (6%)0 (0%)5 (14%)
Age
 Mean ± SD52.0 ± 12.851.9 ± 10.250.5 ± 12.6
 ≤40 y11 (20%)1 (14%)6 (17%)
 41–50 y15 (28%)2 (29%)11 (31%)
 51–60 y14 (26%)2 (29%)12 (34%)
 ≥61 y14 (26%)2 (29%)6 (17%)
Habits
 Alcohol drinking39 (73%)2 (29%)
 Betel quid chewing40 (74%)2 (29%)
 Cigarette smoking42 (78%)6 (86%)
T stage
 T1–T231 (57%)
 T3–T423 (43%)
N stage
 030 (56%)
 >024 (44%)
Overall stage
 I–II20 (37%)
 III–IV34 (63%)
Pathologic diagnosis
 Squamous hyperplasia4 (57%)
 Verrucous hyperplasia1 (14%)
 Hyperkeratosis2 (29%)
Total54 (100%)7 (100%)36 (100%)