Scan-rescan | Interval scans | ||||
---|---|---|---|---|---|
Observed mean difference (95% confidence interval) | CoV | Observed mean difference (95% confidence interval) | CoV | P value between CoV for scan-rescan and interval scans | |
End diastolic volume, ml | 6.6 (−11.9 to 25.1) | 4.6 | 1.1 (−19.2 to 21.4) | 4.6 | 0.65 |
End systolic volume, ml | 1.4 (−7.3 to 10.2) | 6.8 | −1.0 (− 13.3 to 11.3) | 9.5 | 0.11 |
Left ventricular ejection fraction, % | 0.4 (−5.5 to 6.5) | 3.0 | 1.1 (−5.2 to 7.3) | 3.3 | 0.12 |
Heart rate, bpm | 4.3 (−6.9 to 15.5) | 7.6 | 1.7 (−11.7 to 15.1) | 6.8 | 0.18 |
Volume ratios | |||||
Direct flow, % EDV | −0.2 (−2.8 to 2.3) | 2.5 | −1.0 (−7.1 to 5.1) | 6.2 | 0.10 |
Retained inflow, % EDV | −0.5 (−4.1 to 3.0) | 6.6 | 0.7 (−6.0 to 7.5) | 16.1 | 0.04 |
Delayed ejection flow, % EDV | 0.6 (−3.9 to 5.0) | 9.2 | −0.6 (−7.2 to 6.0) | 15.0 | 0.07 |
Residual volume, % EDV | 0.2 (−2.0 to 2.4) | 3.0 | 0.9 (−5.4 to 7.2) | 8.0 | 0.007 |
Kinetic energy | |||||
Direct flow KE at ED, μJ/ml | 0.4 (−2.8 to 3.7) | 13.5 | −0.01 (−4.2 to 4.2) | 16.9 | 0.40 |
Retained inflow KE at ED, μJ/ml | 0.5 (−1.6 to 2.6) | 13.8 | 0.03 (−3.5 to 3.5) | 20.4 | 0.13 |
Delayed ejection flow KE at ED, μJ/ml | 0.7 (−1.5 to 3.0) | 17.7 | 0.6 (−2.5 to 3.8) | 27.5 | 0.16 |
Residual volume KE at ED, μJ/ml | 0.06 (−0.5 to 0.6) | 15.4 | 0.1 (−0.8 to 0.9) | 29.0 | 0.23 |