Table 1:
Patient Characteristics and histological subtypes
| Characteristics | LUAD (n=3886) | LUSQ (n=517) | SCLC (n=275) | Other Histological Subtypes (n=440) |
|---|---|---|---|---|
| Median age at diagnosis (years) | 70 | 75 | 70 | 70 |
| Sex | ||||
| Male | 1509 (38.9%) | 336 (65%) | 142 (51.6%) | 200 (45.5%) |
| Female | 2377 (60.1%) | 181 (35%( | 133 (48.4%) | 240 (55.5%) |
| Smoking History | ||||
| Smoker (current or former) | 2611 (67.2%) | 433 (83.7%) | 203 (73.8%) | 296 (62.2%) |
| Non-smoker | 1006 (25.9%) | 22 (4.2%) | 15 (5.4%) | 71 (16.1%) |
| Unknown/missing data | 269 (6.9%) | 62 (12%) | 57 (20.7%) | 73 (16.6%) |
| Ethnicity (self-reported) | ||||
| European/White/Non-Hispanic | 2430 (62.5%) | 377 (72.9%) | 218 (79.2%) | 293 (66.6%) |
| Ashkenazi Jewish | 643 (16.5%) | 53 (10.2%) | 24 (8.7%) | 54 (12.3%) |
| Asian | 399 (10.3%) | 27 (5.2%) | 15 (5.4%) | 24 (5.4%) |
| African | 191 (4.9%) | 30 (5.8%) | 8 (2.9%) | 34 (7.7%) |
| Others/Unknown | 223 (5.7%) | 30 (5.8%) | 10 (3.6%) | 35 (7.9%) |
| Disease Stage | ||||
| Non- Metastatic | 484 (12.5%) | 44 (8.5%) | 18 (6.5%) | 112 (25.5%) |
| Metastatic | 3341 (86%) | 462 (89.3%) | 251 (91.3%) | 318 (72.2%) |
| Missing data | 61 (1.8%) | 11 (2.1%) | 6 (2.2%) | 10 (2.3%) |
| Personal History of Multiple primary tumors | ||||
| Yes | 1023 (26.3%) | 133 (25.7%) | 58 (21%) | 107 (24.3%) |
Abbreviation: LUAD= Lung Adenocarcinoma, LUSQ= Lung Squamous Cell Carcinoma, SCLC= Small Cell Lung Cancer