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. Author manuscript; available in PMC: 2019 Apr 2.
Published in final edited form as: Ann Intern Med. 2018 Sep 18;169(7):439–447. doi: 10.7326/M18-0244

Table 1:

Patient characteristics and colorectal cancer outcomes within 2 years of a baseline fecal immunochemical test (FIT) among participants who completed ≥1 FIT (n=640,859)

Participant Characteristics
Female sex 337,588 (53%)
Age at time of FIT
 50 to 59 years 323,855 (51%)
 60 to 69 years 234,665 (37%)
 70 to 75 years 82,339 (13%)
Race/ethnicity
 Non-Hispanic white 352,913 (55%)
 Hispanic 114,724 (18%)
 Black 46,925 (7%)
 Asian/Pacific islander 103,958 (16%)
 Other or unknown 22,339 (3%)
Obese (BMI ≥30 kg/m2)a 215,312 (34%)
Primary care visits in year preceding test
 No primary care visit 124,285 (19%)
 1 to 3 primary care visits 367,406 (57%)
 4 or more primary care visits 149,168 (23%)
Charlson comorbidity score year prior to baseline FIT
 Score = 0 443,577 (69%)
 Score = 1 or 2 153,825 (24%)
 Score ≥ 3 43,457 (7%)
Previous FIT within 2 years of baseline FIT
 Yes 411,241 (64%)
 No 229,618 (36%)
Outcomes during follow-up
Colonoscopy within 2 years 97,651 (15%)
Baseline FIT > 20 μg/g 26,654 (4.2%)
Colorectal cancer diagnosed within 2 years of baseline FIT 1,245 (0.19%)
 Right-sided colon cancer 505 (41%)
 Left-sided colon cancer 358 (29%)
 Rectal cancer 362 (29%)
 Location unknown 20 (2%)
Colorectal cancer stage at diagnosis
 Early 1,064 (85%)
 Late 181 (15%)
a

Body mass index (BMI) was missing for 15,360 patients (2%). FIT: fecal immunochemical test