Table 1.

Summary of the study participants in cohort‐3

Study population	Clean HI	HI with polyps	Advanced adenoma patients	CRC patients stage
				0	I	II	III	IV
Training data
Tokyo	120			22	43	31	17	7
Test data
Tokyo	234	165	75	30	46	36	76	32
Kyoto					21	16	19
Osaka				1	8	12	5	4
Cohort‐2 (Tokyo)	83			37	32	13	30	8

Abbreviation: HI: Healthy individuals.