Abstract
Aim: The prognostic and predictive value of Elevated Microsatellite Alterations at Selected Tetranucleotide (EMAST) has been reported in colorectal cancer (CRC). The prevalence of EMAST in CRC varied across the literature. We conducted a meta-analysis to determine the prevalence of EMAST in CRC. Materials & methods: Three international databases including PubMed, ISI and Scopus were searched to identify related articles that described the frequency of EMAST. Results: Analysis was performed on 16 eligible studies including 4922 patients. The overall EMAST prevalence among CRCs patients was 33% (95% CI: 23-43%, I2=98%). Conclusion: This study indicated that approximately a third of the CRC patients are diagnosed with EMAST, hereupon EMAST as a prognostic and predictive biomarker should be more studied clinically.
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