Table 1 Distribution of demographic and clinical information on different histological types of lung cancer
Factors | Total population (N = 125,652; 100.0%) | Adenocarcinoma (N = 54,957; 43.7%) | Squamous (N = 27,435; 21.8%) | SCLC (N = 18,795; 15.0%) | LC (N = 2308; 1.8%) | NSCLC/NOS (N = 22,157; 17.6%) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | % | N | % | N | % | N | % | N | % | N | % | |
Bone metastasis | ||||||||||||
No | 97,246 | 77.4 | 40,639 | 73.9 | 23,571 | 85.9 | 13,780 | 73.3 | 1812 | 78.5 | 17,444 | 78.7 |
Yes | 25,645 | 20.4 | 13,110 | 23.9 | 3377 | 12.3 | 4521 | 24.1 | 440 | 19.1 | 4197 | 18.9 |
Unknown/Blank | 2761 | 2.2 | 1208 | 2.2 | 487 | 1.8 | 494 | 2.6 | 56 | 2.4 | 516 | 2.4 |
Age (years) | ||||||||||||
18–45 | 3237 | 2.6 | 1647 | 3.0 | 317 | 1.2 | 287 | 1.5 | 67 | 2.9 | 919 | 4.1 |
46–65 | 57,701 | 45.9 | 26,423 | 48.1 | 10,789 | 39.3 | 9184 | 48.9 | 1172 | 50.8 | 10,133 | 45.7 |
> 65 | 64,714 | 51.5 | 26,887 | 48.9 | 16,329 | 59.5 | 9324 | 49.6 | 1069 | 46.3 | 11,105 | 50.1 |
Sex | ||||||||||||
Female | 58,436 | 46.5 | 27,645 | 50.3 | 9833 | 35.8 | 9337 | 49.7 | 968 | 41.9 | 10,653 | 48.1 |
Male | 67,216 | 53.5 | 27,312 | 49.7 | 17,602 | 64.2 | 9458 | 50.3 | 1340 | 58.1 | 11,504 | 51.9 |
Race | ||||||||||||
White | 99,978 | 79.6 | 41,865 | 76.2 | 22,446 | 81.8 | 16,235 | 86.4 | 1862 | 80.7 | 17,570 | 79.3 |
Black | 16,274 | 13.0 | 7576 | 13.8 | 3538 | 12.9 | 1792 | 9.5 | 342 | 14.8 | 3026 | 13.7 |
Asian or Pacific Islander | 8393 | 6.7 | 5090 | 9.3 | 1213 | 4.4 | 618 | 3.3 | 88 | 3.8 | 1384 | 6.2 |
Indian/Alaska Native | 669 | 0.5 | 248 | 0.5 | 178 | 0.6 | 124 | 0.7 | 10 | 0.4 | 109 | 0.5 |
Unknown/Blank | 338 | 0.3 | 178 | 0.3 | 60 | 0.2 | 26 | 0.1 | 6 | 0.3 | 68 | 0.3 |
Marital status | ||||||||||||
Unmarried | 20,801 | 16.6 | 9125 | 16.6 | 4423 | 16.1 | 2977 | 15.8 | 418 | 18.1 | 3858 | 17.4 |
Married | 99,001 | 78.8 | 43,246 | 78.7 | 21,727 | 79.2 | 15,027 | 80.0 | 1815 | 78.6 | 17,186 | 77.6 |
Unknown/Blank | 5950 | 4.6 | 2586 | 4.7 | 1285 | 4.7 | 791 | 4.2 | 75 | 3.2 | 1113 | 5.0 |
Household income | ||||||||||||
< 50,000$ | 42,788 | 34.0 | 16,295 | 29.7 | 10,897 | 39.7 | 7630 | 40.6 | 916 | 39.7 | 7050 | 31.8 |
50,000–80,000$ | 73,494 | 58.5 | 33,810 | 61.5 | 14,878 | 54.2 | 10,097 | 53.7 | 1256 | 54.4 | 13,453 | 60.7 |
> 80,000$ | 9362 | 7.5 | 4848 | 8.8 | 1657 | 6.0 | 1068 | 5.7 | 136 | 5.9 | 1653 | 7.5 |
Unknown/Blank | 8 | 0.0 | 4 | 0.0 | 3 | 0.0 | 0 | 0.0 | 0 | 0.0 | 1 | 0.0 |
Insurance status | ||||||||||||
Uninsured | 5090 | 4.0 | 2243 | 4.1 | 946 | 3.4 | 832 | 4.4 | 113 | 4.9 | 956 | 4.3 |
Insured | 118,612 | 94.4 | 51,877 | 94.4 | 26,105 | 95.2 | 17,679 | 94.1 | 2161 | 93.6 | 20,790 | 93.8 |
Unknown/Blank | 1950 | 1.6 | 837 | 1.5 | 384 | 1.4 | 284 | 1.5 | 34 | 1.5 | 411 | 1.9 |
Metastatic sites | ||||||||||||
0 site | 81,989 | 65.3 | 35,126 | 63.9 | 21,447 | 78.2 | 9376 | 49.9 | 1433 | 62.1 | 14,607 | 66.0 |
1 site | 31,981 | 25.4 | 14,275 | 26.0 | 4669 | 17.0 | 6944 | 36.9 | 642 | 27.8 | 5451 | 24.6 |
2 sites | 8845 | 7.0 | 4234 | 7.7 | 902 | 3.3 | 1982 | 10.5 | 190 | 8.2 | 1537 | 6.9 |
3 sites | 1336 | 1.1 | 663 | 1.2 | 138 | 0.5 | 264 | 1.4 | 21 | 0.9 | 250 | 1.1 |
Unknown/Blank | 1501 | 1.2 | 659 | 1.2 | 279 | 1.0 | 229 | 1.2 | 22 | 1.0 | 312 | 1.4 |
Tumor size | ||||||||||||
< 2 cm | 16,948 | 13.5 | 8691 | 15.8 | 2557 | 9.3 | 1613 | 8.6 | 289 | 12.5 | 3798 | 17.1 |
2–5 cm | 52,309 | 41.6 | 25,207 | 45.9 | 11,149 | 40.6 | 5982 | 31.8 | 914 | 39.6 | 9057 | 40.9 |
5–10 cm | 31,367 | 25.0 | 11,076 | 20.2 | 9191 | 33.5 | 5349 | 28.5 | 649 | 28.1 | 5102 | 23.0 |
> 10 cm | 4173 | 3.3 | 1166 | 2.1 | 1065 | 3.9 | 1047 | 5.6 | 135 | 5.8 | 760 | 3.5 |
Unknown/Blank | 20,855 | 16.6 | 8817 | 16.0 | 3473 | 12.7 | 4804 | 25.6 | 321 | 13.9 | 3440 | 15.5 |
Histological type | ||||||||||||
Well differentiated | 6855 | 5.5 | 3970 | 7.2 | 530 | 1.9 | 27 | 0.1 | 3 | 0.1 | 2325 | 10.5 |
Moderate differentiated | 20,707 | 16.5 | 11,145 | 20.3 | 7428 | 27.1 | 45 | 0.2 | 22 | 1.0 | 2067 | 9.3 |
Poor differentiated | 32,932 | 26.2 | 14,570 | 26.5 | 9470 | 34.5 | 1688 | 9.0 | 780 | 33.8 | 6424 | 29.0 |
Undifferentiated | 4332 | 3.4 | 300 | 0.5 | 167 | 0.6 | 2748 | 14.6 | 493 | 21.4 | 624 | 2.8 |
Unknown/Blank | 60,826 | 48.4 | 24,972 | 45.4 | 9840 | 35.9 | 14,287 | 76.0 | 1010 | 43.8 | 10,717 | 48.4 |
Lymphatic metastasis | ||||||||||||
N0 | 43,173 | 34.4 | 20,357 | 37.0 | 10,536 | 38.4 | 2521 | 13.4 | 784 | 34.0 | 8975 | 40.5 |
N1 | 10,881 | 8.7 | 4659 | 8.5 | 2839 | 10.3 | 1319 | 7.0 | 210 | 9.1 | 1854 | 8.4 |
N2 | 48,818 | 38.9 | 19,706 | 25.9 | 10,220 | 37.3 | 10,315 | 54.9 | 898 | 38.9 | 7679 | 34.7 |
N3 | 18,747 | 14.9 | 8311 | 15.1 | 3255 | 11.9 | 4029 | 21.4 | 347 | 15.0 | 2805 | 12.7 |
Unknown/Blank | 4033 | 3.1 | 1924 | 3.5 | 585 | 2.1 | 611 | 3.3 | 69 | 3.0 | 844 | 3.8 |