MicroRNA-155 Hallmarks Promising Accuracy for the Diagnosis of Various Carcinomas: Results from a Meta-Analysis

Table 2

Heterogeneity assessment of the individual pooled analysis.

Analyses	Spearman correlation coefficient	Cochran’s test	test (%)	Heterogeneity
				Threshold effect	Nonthreshold effect
Single miR-155	−0.363^a	46.73^b	72.2	No	Yes
Panel miR-155	−0.606^a	35.98^b	69.4	Yes	Yes
Serum-based	−0.571^a	16.06^b	62.6	No	Yes
Plasma-based	0.359^a	10.42^b	61.6	No	Yes
Asian	−0.409^a	25.23^b	60.4	No	Yes
Caucasian	0.500^a	2.16^b	7.4	No	No
Overall	−0.385^a	85.38^b	70.7	No	Yes
Outliers excluded	−0.418^a	46.76^b	70.3	No	Yes

^aThe value of sensitivity and (1 − specificity); ^b value.