Table 2 Inter breath-hold comparison between semi-automatic analyses of coronary blood flow parameters (mean +/−SD of paired differences, intraclass correlation coefficient (ICC)) in 15 vessels for two observers (obs 1 and obs2)
|  | mean+/−SD | mean (+/−SD) differences | ICC | |||
|---|---|---|---|---|---|---|
| Â | obs1 | obs2 | obs1 | obs2 | obs1 | obs2 |
mean velocity (mm/s) | 80.4+/−23.9 | 82.0+/−25.7 | −2.4+/−6.9 | 1.7+/−7.4 | 0.96 | 0.96 |
flow (ml/min) | 61.1+/−26.7 | 62.4+/−28.0 | −1.9+/−4.8 | 0.8+/−5.5 | 0.99 | 0.96 |
PSV (mm/s) | 73.4+/−33.3 | 74.7+/−31.1 | 1.7+/−15.8 | −0.1+/−12.6 | 0.98 | 0.99 |
TPSV (ms) | 119.0+/−53.3 | 113.0+/−59.2 | −4.4+/−22.1 | −2.7+/−20.1 | 0.93 | 0.95 |
PDV (mm/s) | 173.4+/−72.5 | 173.2+/−74.4 | −3.5+/−11.6 | 2.9+/−21.4 | 0.99 | 0.97 |
TPDV (ms) | 516.8+/−90.8 | 536.1+/−103.4 | −0.1+/−49.3 | −20+/−70.3 | 0.95 | 0.90 |