| HPSCC n = 38 | control group n = 30 | P-value (two-tailed) |
---|---|---|---|
Gender | Â | Â | 0.144 |
 Male / Female | 25/3 | 24/6 |  |
Gender | Â | Â | 0.137 |
 ≤ 60Y / > 60Y | 19/19 | 21/9 |  |
HTN | Â | Â | 0.231 |
 No / Yes | 24/14 | 23/7 |  |
DM | Â | Â | 0.580 |
 No / Yes | 36/2 | 30/0 |  |
Smoking history | Â | Â | 0.090 |
 No / Yes | 6/32 | 10/20 |  |
Alcohol history |  |  | < 0.001 |
 No / Yes | 8/30 | 20/10 |  |