Table 1.

Diagnostic value of 2D Echo and coronary flow reserve

	Sensitivity	CI 95%	Specificity	CI 95%	Accuracy	CI 95%
2D Echo	74%	64–84%	91%	87–96%	86%	82–91%
Coronary Flow Reserve (cut-off = 2)	89%	81–96%	77%	71–84%	81%	76–86%
Coronary Flow Reserve (cut-off = 1,9)	81%	72–90%	84%	79–90%	83%	79–88%
Coronary Flow Reserve (cut-off = 1,8)	69%	58–79%	90%	85–95%	83%	79–88%
Coronary Flow Reserve (cut-off = 1,7)	63%	52–74%	97%	94–99%	86%	82–91%
Coronary Flow Reserve (cut-off = 1,6)	50%	38–61%	100%	-	85%	80–89%
Coronary Flow Reserve (cut-off = 1,5)	30%	19–41%	100%	-	79%	73–84%
2D Echo / CFR cut-off = 1,9	90%	81–98%	94%	91–98%	93%	89–97%