Table 2.

Diagnostic performance of fully quantitative, semi-quantitative, and qualitative methods to detect a 70% stenosis by QCA.

Method	AUC	Sensitivity	Specificity	PPV	NPV
QP	0.92 (82–97)	87 (66–97)	93 (81–99)	87 (66–97)	93 (81–99)
CER	0.78* (66–87)	57* (35–77)	91 (78–98)	76 (49–94)	80 (66–90)
SLP	0.82* (71–91)	87 (66–97)	68* (52–81)	59 (41–75)	91 (75–98)
INT	0.75* (63–85)	83 (61–95)	68* (52–81)	58 (39–75)	88 (72–97)
Duke	0.70* (57–80)	87 (66–97)	52* (37–68)	49 (33–65)	88 (70–98)
Clinical	0.78* (66–87)	83 (61–95)	73* (57–85)	61 (42–78)	89 (74–97)

^*p < 0.05 versus QP; statistical comparison of PPV and NPV was not performed. 95% confidence intervals are displayed in parenthesis.