Characteristics | Subgroup | Patients n = 75 (%age) |
---|---|---|
Gender | Â | Â |
   Male |  | 43(57) |
   Female |  | 32(43) |
Age | Â | Â |
   40-60 years | Mean age (57.5) | 47(63) |
   >60 years |  | 28(37) |
Smoking Status | Â | Â |
   Smoker |  | 51(68) |
   Non-smoker |  | 24(32) |
Dysphagia | Â | Â |
 | Grade I, II, III | 50(67) |
 | No Dysphagia | 25(33) |
Location of tumor | Â | Â |
 | Upper | 10(13) |
 | Middle | 60(80) |
 | Lower | 5(7) |
Clinical Stage | Â | Â |
 | Stage I & II | 46(61) |
 | Stage III & IV | 29(39) |
Histological Grade | Â | Â |
 | WDSCC | 17(23) |
 | MDSCC | 45(60) |
 | PDSCC | 13(17) |
Consumption of hot salted tea/day | ||
   With sodium bicarbonate | 1-3 cups | 20 (27) |
 | 3-6 cups | 38(51) |
 | > 6 cups | 10(13) |
   Without sodium bicarbonate |  | 7(9) |
HPV status | Â | Â |
   Tumor Tissues | HPV L1 Positive | 14 (19%) |
 | HPV16 | 14 (100%) |
 | Other HPVs | Nil |
   Normal Adjacent Tissues | HPV L1 Positive | Nil |