Table 2 Pathological and clinical characteristics
Variable | All patients | Marital status at DX | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Never married | Separated/Divorced | Widowed | Married | |||||||
N | % | N | % | N | % | N | % | N | % | |
All | 161,228 | 100.0 | 20,528 | 100.0 | 21,789 | 100.0 | 30,866 | 100.0 | 88,045 | 100.0 |
Co-morbidity | ||||||||||
None | 12,754 | 7.9 | 2,978 | 14.5 | 3,509 | 16.1 | 1,516 | 4.9 | 4,751 | 5.4 |
1 ~ 2 | 3,793 | 2.4 | 667 | 3.2 | 761 | 3.5 | 583 | 1.9 | 1,782 | 2.0 |
3 ~ 4 | 8,477 | 5.3 | 1,216 | 5.9 | 1,348 | 6.2 | 1,544 | 5.0 | 4,369 | 5.0 |
>4 | 136,204 | 84.5 | 15,667 | 76.3 | 16,171 | 74.2 | 27,223 | 88.2 | 77,143 | 87.6 |
SEER stage | ||||||||||
Localized | 26,672 | 16.5 | 2,316 | 11.3 | 2,572 | 11.8 | 5,632 | 18.2 | 16,152 | 18.3 |
Regional, direct extension ± lymph nodes | 19,478 | 12.1 | 2,184 | 10.6 | 2,153 | 9.9 | 3,765 | 12.2 | 11,376 | 12.9 |
Regional, lymph nodes only | 13,820 | 8.6 | 1,371 | 6.7 | 1,486 | 6.8 | 2,697 | 8.7 | 8,266 | 9.4 |
Distant | 64,374 | 39.9 | 8,049 | 39.2 | 7,415 | 34.0 | 12,571 | 40.7 | 36,339 | 41.3 |
Unknown/Unstaged | 36,884 | 22.9 | 6,608 | 32.2 | 8,163 | 37.5 | 6,201 | 20.1 | 15,912 | 18.1 |
Types of lung cancer | ||||||||||
SCLC | 20,073 | 12.5 | 2,250 | 11.0 | 2,358 | 10.8 | 4,012 | 13.0 | 11,453 | 13.0 |
NSCLC | 96,134 | 59.6 | 10,493 | 51.1 | 10,270 | 47.1 | 18,589 | 60.2 | 56,782 | 64.5 |
Other | 45,021 | 27.9 | 7,785 | 37.9 | 9,161 | 42.0 | 8,265 | 26.8 | 19,810 | 22.5 |
Grade | ||||||||||
Undifferentiated | 11,780 | 7.3 | 1,264 | 6.2 | 1,399 | 6.4 | 2,292 | 7.4 | 6,825 | 7.8 |
Poorly-differentiated | 37,134 | 23.0 | 4,161 | 20.3 | 4,049 | 18.6 | 6,745 | 21.9 | 22,179 | 25.2 |
Moderately-differentiated | 18,492 | 11.5 | 1,808 | 8.8 | 1,897 | 8.7 | 3,492 | 11.3 | 11,295 | 12.8 |
Well-differentiated | 5,654 | 3.5 | 507 | 2.5 | 535 | 2.5 | 1,188 | 3.8 | 3,424 | 3.9 |
Unknown/not stated | 88,168 | 54.7 | 12,788 | 62.3 | 13,909 | 63.8 | 17,149 | 55.6 | 44,322 | 50.3 |
Regional nodes positive | ||||||||||
No | 19,699 | 12.2 | 1,737 | 8.5 | 2,066 | 9.5 | 3,358 | 10.9 | 12,538 | 14.2 |
Yes | 11,604 | 7.2 | 1,105 | 5.4 | 1,271 | 5.8 | 1,770 | 5.7 | 7,458 | 8.5 |
Unknown | 129,925 | 80.6 | 17,686 | 86.2 | 18,452 | 84.7 | 25,738 | 83.4 | 68,049 | 77.3 |
Chemotherapy | ||||||||||
No | 93,242 | 57.8 | 10,371 | 50.5 | 9,716 | 44.6 | 22,128 | 71.7 | 51,027 | 58.0 |
Yes | 51,037 | 31.7 | 5,855 | 28.5 | 5,933 | 27.2 | 7,395 | 24.0 | 31,854 | 36.2 |
Unknown | 16,949 | 10.5 | 4,302 | 21.0 | 6,140 | 28.2 | 1,343 | 4.4 | 5,164 | 5.9 |
Radiation Therapy | ||||||||||
No | 46,765 | 29.0 | 5,948 | 29.0 | 5,054 | 23.2 | 12,691 | 41.1 | 23,072 | 26.2 |
Yes | 102,232 | 63.4 | 10,955 | 53.4 | 11,154 | 51.2 | 17,615 | 57.1 | 62,508 | 71.0 |
Unknown | 12,231 | 7.6 | 3,625 | 17.7 | 5,581 | 25.6 | 560 | 1.8 | 2,465 | 2.8 |
Surgery | ||||||||||
No | 114,045 | 70.7 | 13,607 | 66.3 | 12,571 | 57.7 | 24,659 | 79.9 | 63,208 | 71.8 |
Yes | 34,896 | 21.6 | 3,144 | 15.3 | 3,534 | 16.2 | 5,794 | 18.8 | 22,424 | 25.5 |
Unknown | 12,287 | 7.6 | 3,777 | 18.4 | 5,684 | 26.1 | 413 | 1.3 | 2,413 | 2.7 |