Diagnostic and Predictive Value of Using RGD PET/CT in Patients with Cancer: A Systematic Review and Meta-Analysis

Table 6

Chi-square test was used to assess heterogeneity among the included studies and Spearman correlation was used to assess the threshold effect among the studies.

Study	Parameter	Sensitivity				Specificity				Spearman correlation
			p	I^2	Heterogeneity		p	I^2	Heterogeneity	Coefficient	P
Diagnostic value	SUVmax	13.00	0.0722	46.1%	Moderate	40.34	0.0000	82.6%	High	0.405	0.320
	SUVmean	1.08	0.8970	0.00%	Low	16.81	0.0021	76.2%	High	-0.100	0.873
Predictive value	SUVmax	2.59	0.2733	22.90%	Low	2.11	0.3488	5.10%	Low	0.500	0.667

: Chi-square, I²: inconsistency (I-sequence); p: p value.