Table 2.
Characteristics | Diverculosis (n=12678) | No Diverculosis (n=40969) | p-value | ||
---|---|---|---|---|---|
N | % | N | % | ||
Demographics | |||||
Age group | < 0.001 | ||||
69 – 74 | 2764 | 21.8 | 12662 | 30.9 | |
75 – 79 | 3256 | 25.7 | 11274 | 27.5 | |
80 – 84 | 3304 | 26.1 | 9488 | 23.2 | |
≥ 85 | 3354 | 26.5 | 7545 | 18.4 | |
Sex | < 0.001 | ||||
Male | 7847 | 61.9 | 22215 | 54.2 | |
Female | 4831 | 38.1 | 18754 | 45.8 | |
Race | < 0.001 | ||||
White | 11117 | 87.7 | 34219 | 83.5 | |
Black | 746 | 5.9 | 2889 | 7.1 | |
Hispanic | 483 | 3.8 | 1593 | 3.9 | |
Asian or Pacific Islander | 290 | 2.3 | 2076 | 5.1 | |
Other/Unknown | 42 | 0.3 | 19 | 0.5 | |
Charlson Comorbidity | < 0.001 | ||||
0 | 7374 | 58.2 | 25861 | 63.1 | |
1 | 3165 | 25.0 | 9371 | 22.9 | |
2 | 1249 | 9.9 | 3433 | 8.4 | |
≥3 | 890 | 7.0 | 2304 | 5.6 | |
Clinical presentation | |||||
Cancer stage | < 0.001 | ||||
I | 3311 | 26.1 | 10067 | 24.6 | |
II | 3835 | 30.3 | 11959 | 29.2 | |
III | 2818 | 22.2 | 9372 | 22.9 | |
IV | 1350 | 10.7 | 5238 | 12.8 | |
Unknown | 1364 | 10.8 | 4333 | 10.6 | |
Tumor Grade | 0.15 | ||||
Well or moderately differentiated | 9148 | 72.2 | 29865 | 72.9 | |
Poorly differentiated | 2342 | 18.5 | 7262 | 17.7 | |
Cancer location | < 0.001 | ||||
Proximal colon | 7210 | 56.9 | 18660 | 45.6 | |
Distal colon | 3686 | 29.1 | 14235 | 34.8 | |
Rectum | 1560 | 12.3 | 7338 | 17.9 | |
Unspecified | 222 | 1.8 | 736 | 1.8 | |
Physician specialty | < 0.001 | ||||
Gastroenterology | 7648 | 60.3 | 24339 | 59.4 | |
Colorectal surgery | 469 | 3.7 | 1535 | 3.8 | |
General surgery | 1433 | 11.3 | 4306 | 10.5 | |
Internal medicine | 758 | 6.0 | 2267 | 5.5 | |
Family practice | 1099 | 8.7 | 3457 | 8.4 | |
Other | 715 | 5.6 | 2933 | 7.2 | |
Unknown | 556 | 4.4 | 2132 | 5.2 | |
Colonoscopy volume from noncancer sample | 0.06 | ||||
1 – 48 | 3279 | 25.9 | 10318 | 25.2 | |
49 – 85 | 3235 | 25.5 | 10159 | 24.8 | |
86 – 140 | 3073 | 24.2 | 10214 | 24.9 | |
≥ 141 | 3091 | 24.4 | 10278 | 25.1 | |
Polypectomy rate from noncancer sample (%) | 0.16 | ||||
0 – 0.24 | 3083 | 24.3 | 10219 | 24.9 | |
0.24 – 0.33 | 3249 | 25.6 | 10184 | 24.9 | |
0.33 – 0.43 | 3199 | 25.2 | 10202 | 24.9 | |
≥ 0.43 | 3147 | 24.8 | 10364 | 25.3 |