Table 1 Comparison between semi-automatic and manual analyses of coronary blood flow parameters (mean +/−SD of paired differences, intraclass correlation coefficient (ICC)) in 15 vessels, together with inter-observer reproducibility (semi-automatic method) of the same variables
| Â | MANUAL VERSUS SEMI-AUTOMATIC ANALYSIS | INTER-OBSERVER REPRODUCIBILITY (SEMI-AUTOMATIC ANALYSIS) | ||||
|---|---|---|---|---|---|---|
|  | mean +/−SD | mean (+/−SD) differences | ICC | mean +/−SD | mean (+/−SD) differences | ICC |
mean velocity (mm/s) | 78.7+/−25.8 | −0.9+/−9.8 | 0.93 | 81.0+/−23.9 | −3.7+/−7.3 | 0.95 |
flow (ml/min) | 54.9+/−23.7 | −10.5+/−11.0* | 0.81 | 61.4+/−26.3 | −2.7+/−5.7 | 0.98 |
PSV (mm/s) | 72.5+/−35.2 | −1.7+/−17.0 | 0.98 | 74.5+/−33.1 | −1.4+/−16.0 | 0.98 |
TPSV (ms) | 115.3+/−57.3 | 5.5+/−19.4 | 0.94 | 114.1+/−55.6 | −1.9+/−13.3 | 0.97 |
PDV (mm/s) | 171.0+/−75.4 | −1.3+/−24.7 | 0.95 | 173.1+/−69.9 | −3.3+/−16.2 | 0.98 |
TPDV (ms) | 515.2+/−95.1 | −3.0+/−50.2 | 0.90 | 521.4+/−106.7 | −9.4+/−28.5 | 0.96 |