Table 1 Baseline characteristics of populations with and without cancer
|  | Without cancer (n = 552,485) | Overall cancer (n = 552,485) | P |
|---|---|---|---|
Age (years), mean (SD) | 60.6 (13.9) | 60.6 (13.9) | 1 |
Women, n (%) | 263,486 (47.7) | 263,486 (47.7) | 1 |
Occupation, n (%) | < 0.001 | ||
 White collar | 112,010 (20.3) | 100,852 (18.3) |  |
 Blue collar | 236,777 (42.9) | 234,294 (42.4) |  |
 Others or missing | 203,698 (36.9) | 217,339 (39.3) |  |
Income (NTD/month), mean (SD) | 22,813.3 (18,864.6) | 23,561.7 (18,143.8) | < 0.001 |
Urbanization, n (%) | 36,4123 (65.9) | 331,491 (60.0) | < 0.001 |
Cancer stage, n (%) | NA | ||
 1 | NA | 134,987 (26.0) |  |
 2 | NA | 119,293 (23.0) |  |
 3 | NA | 113,781 (21.9) |  |
 4 | NA | 151,359 (29.1) |  |
Grade, n (%) | NA | ||
 Good | NA | 251,653 (45.5) |  |
 Poor | NA | 89,384 (16.2) |  |
 Others or missing | NA | 211,448 (38.3) |  |
Number of medical service uses in a year | < 0.001 | ||
 0-19 | 371,628 (67.3) | 96,130 (17.4) |  |
 20-39 | 120,927 (21.9) | 183,558 (33.2) |  |
  ≥ 40 | 59,930 (10.8) | 272,797 (49.4) |  |
Comorbidities, n (%) | |||
 Hypertension | 12,883 (2.3) | 44,206 (8.0) | < 0.001 |
 Diabetes mellitus | 5752 (1.0) | 10,906 (2.0) | < 0.001 |
 Dyslipidemia | 11,437 (2.1) | 10,098 (1.8) | < 0.001 |
 Atrial fibrillation | 20,891 (3.8) | 20,874 (3.8) | 0.93 |
Medication, n (%) | |||
 Anti-platelet agent | 133,352 (24.1) | 133,189 (24.1) | 0.72 |
 Anti-coagulant agent | 30,609 (5.5) | 98,599 (17.8) | < 0.001 |
Aspirin | 170,784 (30.9) | 165,714 (30.0) | < 0.001 |