| Coal-producing areas | Non-coal-producing areas | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Sum total | Positive | Negative | p | Sum total | Positive | Negative | P | |||||
N | % | N | % | N | % | N | % | |||||
Age | Â | Â | Â | Â | Â | 0.107 | Â | Â | Â | Â | Â | 0.317 |
 < 65 | 427 | 197 | 46.14 | 230 | 53.86 |  | 245 | 130 | 53.06 | 115 | 46.94 |  |
65–75 | 84 | 33 | 39.29 | 51 | 60.71 |  | 82 | 41 | 50.00 | 41 | 50.00 |  |
 > 75 | 11 | 2 | 18.18 | 9 | 81.82 |  | 15 | 5 | 33.33 | 10 | 66.67 |  |
Gender | Â | Â | Â | Â | Â | 0.000 | Â | Â | Â | Â | Â | 0.000 |
Male | 253 | 92 | 36.36 | 161 | 63.64 | Â | 153 | 58 | 37.91 | 95 | 62.09 | Â |
Female | 269 | 140 | 52.04 | 129 | 47.96 | Â | 189 | 118 | 62.43 | 71 | 37.57 | Â |
Smoking history | Â | Â | Â | Â | Â | 0.000 | Â | Â | Â | Â | Â | 0.003 |
Yes | 134 | 39 | 29.10 | 95 | 70.90 | Â | 69 | 25 | 36.23 | 44 | 63.77 | Â |
No | 388 | 193 | 49.74 | 195 | 50.26 | Â | 273 | 151 | 55.31 | 122 | 44.69 | Â |
Family history of malignant tumors | Â | Â | Â | Â | Â | 0.239 | Â | Â | Â | Â | Â | 0.508 |
Yes | 119 | 49 | 41.18 | 70 | 58.82 | Â | 38 | 20 | 52.63 | 18 | 47.37 | Â |
No | 403 | 183 | 45.41 | 220 | 54.59 | Â | 304 | 156 | 51.32 | 148 | 48.68 | Â |
Histological and pathological type | Â | Â | Â | Â | Â | 0.076 | Â | Â | Â | Â | Â | 0.000 |
AD | 462 | 211 | 45.67 | 251 | 54.33 | Â | 295 | 165 | 55.93 | 130 | 44.07 | Â |
Non-AD | 60 | 21 | 35.00 | 39 | 65.00 | Â | 47 | 11 | 23.40 | 36 | 76.60 | Â |
Tumor site | Â | Â | Â | Â | Â | 0.612 | Â | Â | Â | Â | Â | 0.470 |
Left | 198 | 92 | 46.46 | 106 | 53.54 | Â | 128 | 66 | 51.56 | 62 | 48.44 | Â |
Right | 307 | 134 | 43.65 | 173 | 56.35 | Â | 207 | 108 | 52.17 | 99 | 47.83 | Â |
Bilateral | 17 | 6 | 35.29 | 11 | 64.71 | Â | 7 | 2 | 28.57 | 5 | 71.43 | Â |
Regional distribution | Â | Â | Â | Â | Â | 0.167 | Â | Â | Â | Â | Â | 0.846 |
Central | 65 | 39 | 60.00 | 26 | 40.00 | Â | 165 | 86 | 52.12 | 79 | 47.88 | Â |
East | 254 | 103 | 40.55 | 151 | 59.45 | Â | 0 | 0 | 0.00 | 0 | 0.00 | Â |
Northeast | 173 | 77 | 44.51 | 96 | 55.49 | Â | 34 | 14 | 41.18 | 20 | 58.82 | Â |
Southeast | 1 | 1 | 100.00 | 0 | 0.00 | Â | 10 | 6 | 60.00 | 4 | 40.00 | Â |
South | 6 | 2 | 33.33 | 4 | 66.67 | Â | 8 | 4 | 50.00 | 4 | 50.00 | Â |
West | 0 | 0 | 0.00 | 0 | 0.00 | Â | 26 | 11 | 42.31 | 15 | 57.69 | Â |
Northwest | 0 | 0 | 0.00 | 0 | 0.00 | Â | 8 | 5 | 62.50 | 3 | 37.50 | Â |
Southwest | 1 | 0 | 0.00 | 1 | 100.00 | Â | 15 | 7 | 46.67 | 8 | 53.33 | Â |
North | 8 | 4 | 50.00 | 4 | 50.00 | Â | 57 | 33 | 57.89 | 24 | 42.11 | Â |
Other | 14 | 6 | 42.86 | 8 | 57.14 | Â | 19 | 10 | 52.63 | 9 | 47.37 | Â |
Ethnic group | Â | Â | Â | Â | Â | 0.400 | Â | Â | Â | Â | Â | 0.515 |
Han | 518 | 231 | 44.59 | 287 | 55.41 | Â | 341 | 175 | 51.32 | 166 | 48.68 | Â |
Yi | 4 | 1 | 25.00 | 3 | 75.00 | Â | 1 | 1 | 100.00 | 0 | 0.00 | Â |
TNM staging | Â | Â | Â | Â | Â | 0.434 | Â | Â | Â | Â | Â | 0.015 |
I-IIIa | 381 | 168 | 44.09 | 213 | 55.91 | Â | 275 | 150 | 54.55 | 125 | 45.45 | Â |
IIIb-IV | 141 | 64 | 45.39 | 77 | 54.61 | Â | 67 | 26 | 38.81 | 41 | 61.19 | Â |
Brain metastasis | Â | Â | Â | Â | Â | 0.110 | Â | Â | Â | Â | Â | 0.000 |
Yes | 46 | 16 | 34.78 | 30 | 65.22 | Â | 55 | 8 | 14.55 | 47 | 85.45 | Â |
No | 476 | 216 | 45.38 | 260 | 54.62 | Â | 287 | 168 | 58.54 | 119 | 41.46 | Â |
Xuanwei County origin | Â | Â | Â | Â | Â | 0.331 | Â | Â | Â | Â | Â | 0.182 |
Yes | 157 | 67 | 42.68 | 90 | 57.32 | Â | 33 | 14 | 42.42 | 19 | 57.58 | Â |
No | 365 | 165 | 45.21 | 200 | 54.79 | Â | 309 | 162 | 52.43 | 147 | 47.57 | Â |
Fuyuan County origin | Â | Â | Â | Â | Â | 0.049 | Â | Â | Â | Â | Â | NA |
Yes | 254 | 103 | 40.55 | 151 | 59.45 | Â | 0 | 0 | 0.00 | 0 | 0.00 | Â |
No | 268 | 129 | 48.13 | 139 | 51.87 | Â | 342 | 176 | 51.46 | 166 | 48.54 | Â |
Total | 522 | 232 | 44.44 | 290 | 55.56 | Â | 342 | 176 | 51.46 | 166 | 48.54 | Â |