Key takeaways:
- Offering a blood test as a secondary option in individuals who previously declined colonoscopy or FIT increased CRC screening by 7.5%.
- There was no decrease in uptake of first-line screening options.
Compared with reoffering colonoscopy and fecal immunochemical test alone, offering a blood test as a secondary option resulted in a nearly twofold increase in colorectal cancer screening in veterans who had declined first-line screening.