| age 0 - 44 (group A) | age 45 - 59 (group B) | age 60 - 74 (group C) | age 75 - 84 (group D) | P value | |||||
| n = 406 | n = 638 | n = 696 | n = 244 | ||||||
| n | % | n | % | n | % | n | % | ||
| Sex | |||||||||
| Male | 219 | 53.9% | 334 | 52.4% | 335 | 48.1% | 111 | 45.5% | <0.001 |
| Female | 187 | 46.1% | 304 | 47.6% | 361 | 51.9% | 133 | 54.5% | |
| Race | |||||||||
| Black | 83 | 20.4% | 120 | 18.8% | 92 | 13.2% | 16 | 6.6% | <0.001 |
| White | 237 | 58.4% | 414 | 64.9% | 493 | 70.8% | 174 | 71.3% | |
| Others | 86 | 21.2% | 104 | 16.3% | 111 | 16.0% | 54 | 22.1% | |
| Surgery | |||||||||
| Yes | 185 | 45.6% | 319 | 50.0% | 361 | 51.9% | 114 | 46.7% | <0.001 |
| None/Unknown | 221 | 54.4% | 319 | 50.0% | 335 | 48.1% | 130 | 53.3% | |
| Histology | |||||||||
| type C | 258 | 63.5% | 361 | 56.5% | 368 | 52.9% | 124 | 50.8% | <0.001 |
| type A | 9 | 2.2% | 21 | 3.2% | 53 | 7.6% | 30 | 12.3% | |
| type B | 24 | 5.9% | 68 | 10.6% | 82 | 11.8% | 23 | 9.4% | |
| type B1 | 40 | 9.9% | 58 | 9.0% | 60 | 8.6% | 29 | 11.9% | |
| type B2 | 41 | 10.1% | 64 | 10.3% | 52 | 7.5% | 12 | 4.9% | |
| type B3 | 34 | 8.4% | 66 | 10.4% | 81 | 11.6% | 26 | 10.7% | |