Results of discriminant analysis
| Variable | Sensitivity (%) | Specificity (%) | Accuracy (%) | Cut off value | p Value |
|---|---|---|---|---|---|
| CFRDGW(MDV), coronary flow reserve derived from mean diastolic velocity by intracoronary Doppler guidewire; CFRDGW(PDV), coronary flow reserve derived from peak diastolic velocity by intracoronary Doppler guidewire; CFRTTE(MDV), coronary flow reserve derived from mean diastolic velocity by transthoracic echocardiography; CFRTTE(PDV), coronary flow reserve derived from peak diastolic velocity by transthoracic echocardiography; h, hyperaemia; MDVDGW-h, mean diastolic velocity measured by intracoronary Doppler guidewire during hyperaemia; PDVDGW-h, peak diastolic velocity measured by intracoronary Doppler guidewire during hyperaemia. | |||||
| CFRTTE(MDV) | 90 | 100 | 96 | 2.2 | <0.0001 |
| CFRTTE(PDV) | 90 | 93 | 92 | 2.2 | <0.0001 |
| CFRDGW(MDV) | 80 | 100 | 92 | 2.2 | <0.0001 |
| CFRDGW(PDV) | 80 | 100 | 92 | 2.2 | <0.0001 |
| MDVDGW-h (cm/s) | 80 | 85 | 79 | 60 | 0.0069 |
| PDVDGW-h (cm/s) | 60 | 86 | 75 | 80 | 0.0283 |