Table 3. Subgroup analysis of analysis.

Parameter	Category	Number of studies	Sensitivity	P1	Specificity	P2
Coil	Used	20	0.79 (0.73–0.84)	<0.05	0.81 (0.75–0.87)	0.69
	Not used	18	0.72 (0.66–0.79)		0.83 (0.78–0.89)
Magnetic	3	13	0.74 (0.69–0.79)	<0.05	0.85 (0.81–0.88)	0.65
	1.5	23	0.83 (0.77–0.90)		0.66 (0.55–0.77)
Reference	RP or targeted biopsy	24	0.77 (0.72–0.83)	<0.05	0.80 (0.75–0.86)	0.17
	Others	15	0.75 (0.68–0.82)		0.84 (0.77–0.90)
ADC map	Used	35	0.76 (0.72–0.81)	<0.05	0.79 (0.74–0.84)	0.57
	Not used	6	0.79 (0.69–0.89)		0.89 (0.82–0.96)
Enrollment	Consecutive	26	0.76 (0.71–0.82)	<0.05	0.79 (0.74–0.85)	0.77
	Not consecutive	14	0.78 (0.71–0.85)		0.85 (0.78–0.91)
Blinding	Blinded	28	0.74 (0.69–0.79)	<0.05	0.85 (0.81–0.88)	0.97
	Not mention	11	0.83 (0.77–0.90)		0.66 (0.55–0.77)
B-values	High (>1,400)	7	0.79 (0.70–0.87)	<0.05	0.82 (0.72–0.92)	0.96
	Low (≤1,400)	26	0.78 (0.73–0.83)		0.82 (0.77–0.88)