Table 3:

Diagnostic accuracies of conventional MRI alone and combined interpretation of conventional and DCE-MRI for detecting local tumor recurrence^{^a}

	PPV	NPV	Sensitivity	Specificity	Accuracy
Reader 1
Conventional MRI	45 (39–51)^{^b}	57 (32–80)^{^b}	79 (66–90)	22 (11–32)^{^b}	48 (35–61)^{^b}
Conventional and DCE-MRI	89 (74–96)^{^b}	91 (79–97)^{^b}	89 (72–98)	91 (77–98)^{^b}	91 (80–96)^{^b}
Reader 2
Conventional MRI	49 (39–58)^{^b}	63 (38–75)^{^b}	68 (54–81)	43 (25–49)^{^b}	54 (41–67)^{^b}
Conventional and DCE-MRI	82 (67–91)^{^b}	91 (79–97)^{^b}	88 (70–98)	87 (71–76)^{^b}	87 (77–91)^{^b}
Reader 3
Conventional MRI	48 (40–54)^{^b}	67 (42–86)^{^b}	82 (69–93)	29 (18–37)^{^b}	52 (39–65)^{^b}
Conventional and DCE-MRI	89 (73–96)^{^b}	89 (76–95)^{^b}	86 (67–96)	91 (77–98)^{^b}	89 (78–95)^{^b}

Note:—NPV indicates negative predictive value; PPV, positive predictive value.
↵a Numbers in parentheses are 95% confidence intervals.
↵b Statistical difference between conventional MRI and combined interpretation of conventional and DCE-MRI (P < .05).