. 2015 Mar 30;2015:327287. doi: 10.1155/2015/327287

Table 2.

Heterogeneity assessment of the individual pooled analysis.

Analyses	Spearman correlation coefficient	Cochran's Q test	I ² test (%)	Heterogeneity
Analyses	Spearman correlation coefficient	Cochran's Q test	I ² test (%)	Threshold effect	Nonthreshold effect
Single miR-155	−0.363^a P = 0.203	46.73^b P = 0.0000	72.2	No	Yes
Panel miR-155	−0.606^a P = 0.037	35.98^b P = 0.0002	69.4	Yes	Yes
Serum-based	−0.571^a P = 0.180	16.06^b P = 0.0134	62.6	No	Yes
Plasma-based	0.359^a P = 0.553	10.42^b P = 0.0340	61.6	No	Yes
Asian	−0.409^a P = 0.212	25.23^b P = 0.0049	60.4	No	Yes
Caucasian	0.500^a P = 0.667	2.16^b P = 0.3394	7.4	No	No
Overall	−0.385^a P = 0.052	85.38^b P = 0.0000	70.7	No	Yes
Outliers excluded	−0.418^a P = 0.156	46.76^b P = 0.0000	70.3	No	Yes

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