Table 2.

Predicting Coronary Vasomotor Dysfunction

Test	N	% (+)	Sensitivity (95% CI)	Specificity (95% CI)	NPV (95% CI)	PPV (95% CI)
Exercise Echocardiogram	99	40.4	38(26–51)	55(38–71)	36(24–49)	58(41–73)
Dobutamine Echocardiogram	21	33.3	29(8–58)	57(18–90)	29(8–58)	57(18–90)
Exercise SPECT	131	38.2	40(29–51)	65(49–78)	38(28–50)	66(51–79)
Vasodilator SPECT	64	50.0	51(35–68)	52(31–72)	41(24–59)	63(44–79)
Vasodilator PET	33	36.4	35(16–57)	60(26–88)	29(11–52)	67(35–90)
All imaging	365	41.4	41(34–47)	57(49–66)	36(30–43)	62(54–70)
Exercise ECG	242	16.1	18(12–25)	80(71–88)	41(33–48)	69(52–83)
All imaging + ECG	365	6.3	6(3–10)	90(83–94)	37(32–43)	61(39–80)