Table 1.

This table summarizes the dataset characteristics for the oral microbiome and colorectal cancer studies.

Exposures/Outcomes	Consortium	Ethnicity	Sample sizes	N. SNPs	Year
Oral microbiome	CNGBdb	East Asian	2948	Tongue N = 8426	2021
			Tongue N = 2017	Saliva N = 8009
			Saliva N= 1914
Colorectal cancer	BioBank Japan	East Asian	33870	7492477	2019

For the oral microbiome, data were sourced from the China National GeneBank (CNGBdb) and included 2,948 samples from East Asian individuals, further divided into 2,017 tongue and 1,914 saliva samples, with respective SNP counts. The colorectal cancer data, obtained from Biobank Japan (BBJ), included 33,870 East Asian participants, comprising 6,692 patients and 27,178 controls, with a total of 7,492,477 SNPs collected in 2019.