Table 1

Patient cohort characteristics

Breast cancerColon cancerLung cancer
n (%)n (%)n (%)
Overall, n82 59892 0778473
General characteristics
Sex
 Male---46 701 (50.7)4303 (50.8)
 Female82 598 (100)45 376 (49.3)4170 (49.2)
Age
 <55 years40 439 (49.0)21 361 (23.2)1041 (12.3)
 55–69 years42 159 (51.0)41 984 (45.6)4193 (49.5)
 70+ years---28 732 (31.2)3239 (38.2)
Race/ethnicity
 Non-Hispanic white55 395 (67.1)68 440 (74.3)7012 (82.8)
 Non-Hispanic black17 609 (21.3)13 429 (14.6)790 (9.3)
 Hispanic5394 (6.5)5447 (5.9)265 (3.1)
 Asian2713 (3.3)3237 (3.5)268 (3.2)
 Other1487 (1.8)1524 (1.7)138 (1.6)
Median household income
 US$63 000+26 993 (32.7)28 080 (30.5)2560 (30.2)
 US$48 000–US$62 99921 749 (26.3)24 368 (26.5)2314 (27.3)
 US$38 000–US$47 99917 980 (21.8)21 138 (23.0)2060 (24.3)
 <US$38 00015 320 (18.6)17 661 (19.2)1528 (18.0)
 Unknown556 (0.7)830 (0.9)11 (0.1)
Median educational attainment
 <7%19 682 (23.8)20 183 (21.9)1841 (21.7)
 7%–13%25 633 (31.0)28.885 (31.4)2838 (33.5)
 13%–21%21 453 (26.0)24 546 (26.7)2346 (27.7)
 21% and up15 302 (18.5)17 680 (19.2)1440 (17.0)
 Unknown528 (0.6)783 (0.9)8 (0.1)
Insurance status
 Uninsured/Medicaid11 468 (13.9)9160 (10.0)743 (8.8)
 Insured/Medicare68 974 (83.5)80 603 (87.5)7430 (87.7)
 Other/unknown2156 (2.6)2314 (2.5)300 (3.5)
Charlson-Deyo Comorbidity Index
 069 373 (84.0)65 351 (71.0)4451 (52.5)
 111 390 (13.8)21 972 (23.9)3099 (26.6)
 2+1835 (2.2)4754 (5.2)923 (10.9)
Year of treatment
 2005–200819 732 (23.9)34 069 (37.0)---
 2009–201125 840 (31.3)24 737 (26.9)---
 2012–201318 712 (22.7)16 180 (17.6)---
 2014–201518 314 (22.2)17 091 (18.6)8473 (100)
Hospital characteristics
Hospital type
 Academic27 084 (32.8)24 556 (26.7)3464 (40.9)
 Non-academic55 514 (67.2)67 521 (73.3)5009 (59.1)
Hospital region
 New England3910 (4.7)4558 (5.0)498 (5.9)
 Middle Atlantic11 817 (14.3)13 187 (14.3)1376 (16.2)
 South Atlantic20 267 (24.5)20 823 (22.6)1836 (21.7)
 East North Central14 676 (17.8)16 626 (18.1)1533 (18.1)
 East South Central6048 (7.3)7327 (8.0)763 (9.0)
 West North Central5841 (7.1)6645 (7.2)574 (6.7)
 West South Central7791 (9.4)9163 (10.0)703 (8.3)
 Mountain3490 (4.2)9772 (4.1)299 (3.5)
 Pacific8758 (10.6)9976 (10.8)891 (10.5)
Hospital distance from patient
 <5 miles23 410 (28.3)31 019 (33.7)1988 (23.5)
 5–9.9 miles20 197 (24.5)22 046 (23.9)1669 (19.7)
 10–19.9 miles18 930 (22.9)18 773 (20.4)1763 (20.8)
 20+ miles19 404 (23.5)19 416 (21.1)3035 (35.8)
 Unknown657 (0.8)823 (0.9)18 (0.2)
Tumour characteristics
Pathological T-Stage
 T0/T142 094 (51.0)3540 (3.8)2438 (28.8)
 T231 960 (38.7)7482 (8.1)3802 (44.8)
 T3/T47063 (8.6)70 520 (76.6)1806 (21.3)
 Tx114 (0.1)10 535 (11.4)427 (5.0)
Pathological N-stage
 N051 594 (62.5)------
 N120 615 (65.0)59 737 (64.9)4647 (54.8)
 N2 (+N3 for breast only)10 389 (12.6)32 299 (35.1)3090 (36.5)
 Other N+---41 (0.0)736 (8.7)