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