Table 3.

miRNAs as potential biomarkers in stool of CRC.

Names	Sample Quantity	Expression	Sensitivity	Specificity	Biomarkers	References
miR-221	595	↑	62%	74%	diagnosis	[76]
miR-18a	595	↑	61%	69%	diagnosis	[76]
miR-223	45	↑	76.5%	96.4%	diagnosis	[77]
miR-451	45	↑	88.2%	100%	diagnosis	[77]
miR-21	246	↑	55.7%	73.3%	diagnosis	[78]
miR-92a	246	↑	71.6%	73.3%	diagnosis	[78]
miR-106a	224	↑	34.2%	97.2%	diagnosis	[79]
miR-135b	424	↑	78%	68%	diagnosis	[80]
miR-144	75	↑	74%	87%	diagnosis	[81]
miR-143	51	↓	-	-	diagnosis	[83]
miR-145	51	↓	-	-	diagnosis	[83]
miR-4478	56	↓	-	-	diagnosis	[84]
miR-1295b-3p	56	↓	-	-	diagnosis	[84]

↑: upregulated; ↓: downregulated; -: unknown.