| Sum total | Positive | Negative | P | |||
---|---|---|---|---|---|---|---|
N | % | N | % | ||||
Age | Â | Â | Â | Â | Â | 0.070 | |
 < 65 | 672 | 327 | 48.66% | 345 | 51.34% |  | |
65–75 | 166 | 74 | 44.58% | 92 | 55.42% |  | |
 > 75 | 26 | 7 | 26.92% | 19 | 73.08% |  | |
Gender | Â | Â | Â | Â | Â | 0.000 | |
Male | 406 | 150 | 36.95% | 256 | 63.05% | Â | |
Female | 458 | 258 | 56.33% | 200 | 43.67% | Â | |
Smoking history | Â | Â | Â | Â | Â | 0.000 | |
Yes | 203 | 64 | 31.53% | 139 | 68.47% | Â | |
No | 661 | 344 | 52.04% | 317 | 47.96% | Â | |
Family history of malignant tumors | Â | Â | Â | Â | Â | 0.206 | |
Yes | 157 | 69 | 43.95% | 88 | 56.05% | Â | |
No | 707 | 339 | 47.95% | 368 | 52.05% | Â | |
Histological and pathological type | Â | Â | Â | Â | Â | 0.000 | |
AD | 757 | 376 | 49.67% | 381 | 50.33% | Â | |
SCC | 29 | 5 | 17.24% | 24 | 82.76% | Â | |
ADSC | 3 | 3 | 100.00% | 0 | 0.00% | Â | |
LCC | 5 | 1 | 20.00% | 4 | 80.00% | Â | |
NSCLC | 70 | 23 | 32.86% | 47 | 67.14% | Â | |
Tumor site | Â | Â | Â | Â | Â | 0.356 | |
Left | 326 | 158 | 48.47% | 168 | 51.53% | Â | |
Right | 514 | 242 | 47.08% | 272 | 52.92% | Â | |
Bilateral | 24 | 8 | 33.33% | 16 | 66.67% | Â | |
Regional distribution | Â | Â | Â | Â | Â | 0.092 | |
Central | 230 | 125 | 54.35% | 105 | 45.65% | Â | |
East | 254 | 103 | 40.55% | 151 | 59.45% | Â | |
Northeast | 207 | 91 | 43.96% | 116 | 56.04% | Â | |
Southeast | 11 | 7 | 63.64% | 4 | 36.36% | Â | |
South | 14 | 6 | 42.86% | 8 | 57.14% | Â | |
West | 26 | 11 | 42.31% | 15 | 57.69% | Â | |
Northwest | 8 | 5 | 62.50% | 3 | 37.50% | Â | |
Southwest | 16 | 7 | 43.75% | 9 | 56.25% | Â | |
North | 65 | 37 | 56.92% | 28 | 43.08% | Â | |
Other | 34 | 16 | 48.48% | 17 | 51.52% | Â | |
Ethnic group | Â | Â | Â | Â | Â | 0.552 | |
Han | 859 | 406 | 47.26% | 453 | 52.74% | Â | |
Yi | 5 | 2 | 40.00% | 3 | 60.00% | Â | |
TNM staging | Â | Â | Â | Â | Â | 0.198 | |
Ia | 206 | 93 | 45.15% | 113 | 54.85% | Â | |
Ib | 177 | 85 | 48.02% | 92 | 51.98% | Â | |
IIa | 139 | 65 | 46.76% | 74 | 53.24% | Â | |
IIb | 97 | 54 | 55.67% | 43 | 44.33% | Â | |
IIIa | 37 | 21 | 56.76% | 16 | 43.24% | Â | |
IIIb | 41 | 13 | 31.71% | 28 | 68.29% | Â | |
IV | 167 | 77 | 46.11% | 90 | 53.89% | Â | |
Brain metastasis | Â | Â | Â | Â | Â | 0.000 | |
Yes | 180 | 60 | 33.33% | 120 | 66.67% | Â | |
No | 684 | 348 | 50.88% | 336 | 49.12% | Â | |
Specimen type | Â | Â | Â | Â | Â | 0.000 | |
Tissue | 676 | 361 | 53.40% | 315 | 46.60% | Â | |
Plasma | 180 | 42 | 23.33% | 138 | 76.67% | Â | |
Cytology | 8 | 5 | 62.50% | 3 | 37.50% | Â | |
Coal producing area | Â | Â | Â | Â | Â | 0.043 | |
Yes | 522 | 232 | 44.44% | 290 | 55.56% | Â | |
No | 342 | 176 | 51.46% | 166 | 48.54% | Â | |
Fuyuan County origin | Â | Â | Â | Â | Â | 0.007 | |
Yes | 254 | 103 | 40.55% | 151 | 59.45% | Â | |
No | 610 | 305 | 50.00% | 305 | 50.00% | Â | |
Xuanwei County origin | Â | Â | Â | Â | Â | 0.088 | |
Yes | 190 | 81 | 42.63% | 109 | 57.37% | Â | |
No | 674 | 327 | 48.52% | 347 | 51.48% | Â | |
Total | 864 | 408 | 47.22% | 456 | 52.78% | Â |