Table 4. Correlations between mismatch repair protein deficiency and RAS status (n = 797).

MMR status	RAS		KRAS		NRAS
	Mutant/tested cases (%)	P value	Mutant/tested cases (%)	P value	Mutant/tested cases (%)	P value
dMMR	54/121 (44.63)	0.734	54/121 (44.63)	0.635	0/121 (0)	0.009*
MHL1/PMS2 deficiency	39/88 (44.32)	0.725	39/88 (44.32)	0.875	0/88 (0)	0.044*
MSH2/MSH6 deficiency	15/33 (45.45)	0.999	15/33 (45.45)	0.72	0/33 (0)	0.391*
pMMR	313/676 (46.3)		286/676 (42.3)		30/676 (4.43)

Notes.

^*Fisher’s exact test was used.