Table 1 Demographics and clinical characteristics
| Â | CT (+) patients (n=21) | CT (-) patients (n=29) | P* | |
|---|---|---|---|---|
Age | >60 | 12 | 19 | 0.74 |
<=60 | 6 | 7 | ||
Unknown$ | 3 | 3 | Â | |
Sex | Male | 10 | 12 | 0.76 |
Female | 8 | 14 | ||
Unknown | 3 | 3 | Â | |
Smoking history | No | 1 | 5 | 0.37 |
Yes | 15 | 18 | ||
Unknown | 5 | 6 | Â | |
Histology | SQCC# | 8 | 2 | 0.002 |
non-SQCC | 7 | 24 | ||
Unknown | 6 | 3 | Â | |
Pathological tumor size | >3Â cm | 10 | 8 | 0.21 |
<=3Â cm | 8 | 17 | ||
Unknown | 3 | 4 | Â | |
T stage | 1 | 5 | 14 | 0.007 |
2 | 8 | 12 | ||
3 | 3 | 0 | ||
4 | 2 | 0 | ||
Unknown | 3 | 3 | Â | |
TNM stage (Pathologic stage of primary tumor) | I | 9 | 18 | 0.37 |
II | 5 | 3 | ||
III | 4 | 5 | ||
IV | 0 | 0 | ||
| Â | Unknown | 3 | 3 | Â |