Clinical data | Number of cases | Positive number | Percent positive | χ 2 | P valuea |
---|---|---|---|---|---|
Gender | Â | Â | Â | Â | Â |
  Male | 56 | 9 | 16.07 | 1.833 | 0.176 |
  Female | 36 | 10 | 27.78 |  |  |
Age | Â | Â | Â | Â | Â |
  >60 years | 47 | 12 | 25.53 | 1.396 | 0.237 |
  ≤60 years | 45 | 7 | 15.56 |  |  |
Smoke | Â | Â | Â | Â | Â |
  Yes | 27 | 7 | 25.93 | 0.649 | 0.421 |
  No | 65 | 12 | 18.46 |  |  |
Alcohol use | Â | Â | Â | Â | Â |
  Yes | 32 | 6 | 18.75 | 0.108 | 0.742 |
  No | 60 | 13 | 21.67 |  |  |
Family history | Â | Â | Â | Â | Â |
  Yes | 19 | 5 | 26.32 | 0.469 | 0.494 |
  No | 73 | 14 | 19.18 |  |  |