Epidemiology of Microsatellite Instability High (MSI-H) and Deficient Mismatch Repair (dMMR) in Solid Tumors: A Structured Literature Review

Table 5

Availability of prevalence data.

Subset	Any (with and without results)	Reported MSI-H data	Reported dMMR (any IHC)	Reported dMMR (4 MMR proteins)	Reported MSS	Reported MSI-H/dMMR
Total number of studies included	156	94	66	54	79	140
Studies in gastric cancer	39	32	6	4	23	35
Studies in endometrial cancer	53	27	28	26	16	49
Studies in ovarian cancer	23	17	8	5	13	20
Studies in colorectal cancer	20	14	8	4	6	17
Studies in esophageal cancer	6	6	0	0	3	6
Studies in renal cancer	9	7	3	1	3	8
Studies in other cancers	36	18	16	13	21	31

Abbreviations: MSI-H, microsatellite instability-high; dMMR, deficient mismatch repair; MSS, microsatellite stable.