Table 4.

The logistic regression model forecasts the probability of dMMR expression in subgroups based on microscopic characteristics

Microscopic feature	dMMR
	OR (95% CI)	p
Lauren
Unidentified	1
Intestinal	4.767 (1.086–20.921)	0.039
Diffuse	0.667 (0.058–7.668)	0.745
WHO
Poorly differentiated, poorly adhesive, specific	1
Tubular, papillary	5.250 (1.185–23.251)	0.029
Mucinous	6.190 (1.113–34.445)	0.037
SRC	1.300 (0.112–15.144)	0.834
Differentiated grade
Undifferentiated	1
Differentiated	3.240 (1.324–7.931)	0.010

dMMR: deficient mismatch repair protein

SRC: signet ring cell

WHO: World Health Organization

OR: odds ratio