Table 1.
Characteristic | Total | DPP4 | P‐value | |||
---|---|---|---|---|---|---|
No | % | Yes | % | |||
Demographics | ||||||
Year of diagnosis | <0.0001 | |||||
2007 | 2261 | 2214 | 8.8 | 47 | 2.6 | |
2008 | 4003 | 3858 | 15.4 | 145 | 8.1 | |
2009 | 4128 | 3962 | 15.8 | 166 | 9.3 | |
2010 | 3953 | 3718 | 14.8 | 235 | 13.2 | |
2011 | 3981 | 3651 | 14.6 | 330 | 18.5 | |
2012 | 4236 | 3801 | 15.2 | 435 | 24.4 | |
2013 | 4296 | 3868 | 15.4 | 428 | 24.0 | |
Age group | 0.201 | |||||
65‐69 | 5301 | 4938 | 19.7 | 363 | 20.3 | |
70‐74 | 6844 | 6367 | 25.4 | 477 | 26.7 | |
75‐79 | 6156 | 5739 | 22.9 | 417 | 23.3 | |
80+ | 8557 | 8028 | 32.0 | 529 | 29.6 | |
Sex | 0.018 | |||||
Male | 12 451 | 11 575 | 46.2 | 876 | 49.0 | |
Female | 14 407 | 13 497 | 53.8 | 910 | 51.0 | |
Race/Ethnicity | <0.0001 | |||||
Non‐Hispanic White | 19 012 | 17 812 | 71 | 1200 | 67.2 | |
Non‐Hispanic Black | 3132 | 2975 | 11.9 | 157 | 8.8 | |
Hispanic | 2462 | 2263 | 9.0 | 199 | 11.1 | |
Others | 2252 | 2022 | 8.1 | 230 | 12.9 | |
Marital status | 0.0006 | |||||
Single | 5930 | 5586 | 22.3 | 344 | 19.3 | |
Married | 11 379 | 10 551 | 42.1 | 828 | 46.4 | |
Other (Sep/Div/Wid/Unknown) | 9549 | 8935 | 35.6 | 614 | 34.4 | |
Census poverty | 0.058 | |||||
0% to <5% poverty | 4680 | 4335 | 17.3 | 345 | 19.3 | |
5% to <10% | 6131 | 5736 | 22.9 | 395 | 22.1 | |
10%‐20% | 8098 | 7584 | 30.2 | 514 | 28.8 | |
20%‐100% | 7444 | 6956 | 27.7 | 488 | 27.3 | |
Unknown | 505 | 461 | 1.8 | 44 | 2.5 | |
Census region | <0.0001 | |||||
West | 9818 | 9072 | 36.2 | 746 | 41.8 | |
Northeast | 6280 | 5841 | 23.3 | 439 | 24.6 | |
Midwest | 3084 | 2952 | 11.8 | 132 | 7.4 | |
South | 7676 | 7207 | 28.7 | 469 | 26.3 | |
Rural/urban status | 0.085 | |||||
Urban area | 26 147 | 24 397 | 97.3 | 1750 | 98.0 | |
Rural area | 711 | 675 | 2.7 | 36 | 2.0 | |
Charlson Comorbid Index | <0.0001 | |||||
0 | 2471 | 2436 | 9.7 | 35 | 2.0 | |
1 | 8139 | 7623 | 30.4 | 516 | 28.9 | |
2 | 6381 | 5916 | 23.6 | 465 | 26.0 | |
3+ | 9867 | 9097 | 36.3 | 770 | 43.1 | |
Cancer type | 0.105 | |||||
Colorectal cancer | 11 657 | 10 849 | 43.3 | 808 | 45.2 | |
Lung cancer | 15 201 | 14 223 | 56.7 | 978 | 54.8 | |
Stage | 0.221 | |||||
I | 5947 | 5543 | 22.1 | 404 | 22.6 | |
II | 3444 | 3219 | 12.8 | 225 | 12.6 | |
III | 6352 | 5927 | 23.6 | 425 | 23.8 | |
IV | 8156 | 7592 | 30.3 | 564 | 31.6 | |
Unknown | 2959 | 2791 | 11.1 | 168 | 9.4 | |
Surgery | 0.355 | |||||
No | 19 219 | 17 958 | 71.6 | 1261 | 70.6 | |
Yes | 7639 | 7114 | 28.4 | 525 | 29.4 | |
Chemotherapy | 0.0791 | |||||
No | 21 470 | 20 071 | 80.1 | 1399 | 78.3 | |
Yes | 5388 | 5001 | 19.9 | 387 | 21.7 | |
Radiotherapy | 0.566 | |||||
No | 24 472 | 22 838 | 91.1 | 1634 | 91.5 | |
Yes | 2386 | 2234 | 8.9 | 152 | 8.5 |
Abbreviation: DPP4, dipeptidyl peptidase 4.