Table V.
Three-Dimensional Echocardiography Inter-Observer and Intra-Observer Comparison of the Literature with Varying Methods of Statistical Analysis
| Technique | Study Reference | Statistic | Inter-Observer | Intra-Observer | ||||
|---|---|---|---|---|---|---|---|---|
| LVEF | EDV | ESV | LVEF | EDV | ESV | |||
| 5 Bt (QLAB) | Mor-Avi et al.17 | CV | N/A | 8 ± 16 | 13 ± 28 | N/A | 5 ± 10 | 10 ± 22 |
| 4 Bt (QLAB) | Jacobs et al.21 | MD | 5 ± 4 | 10 ± 8 | 11 ± 6 | 10 ± 5 | 10 ± 6 | 11 ± 5 |
| BA | 3 ± 4% | 14 ± 20 mL | 7 ± 10 mL | 6 ± 6% | 13 ± 14 mL | 6 ± 6 mL | ||
| 4 Bt (TomTec) | Sugeng et al.29 | MD | 10.5 ± 16.6 | 11.2 ± 17.2 | 14.2 ± 23.6 | 5.6 ± 6.8 | 3.9 ± 4 | 5.6 ± 7.8 |
| 4 Bt (QLAB) | Soliman et al.31 | MD | 9.7 ± 8.8 | 12.2 ± 10.1 | 13.6 ± 11.2 | 7.3 ± 9.1 | 7.2 ± 8.1 | 9.1 ± 7.2 |
| 4 Bt (TomTec) | Soliman et al.31 | MD | 7.1 ± 6.9 | 6.4 ± 7.8 | 7.8 ± 9.7 | 6.6 ± 7.4 | 4.7 ± 3.2 | 6.1 ± 5.8 |
| 1 Bt (EchoPAC) | Macron et al.32 | MD | 8.6 ± 23.2 | 9.2 ± 11.2 | 11.9 ± 16.8 | 6.8 ± 8.8 | 3.4 ± 7.4 | 8.0 ± 10.2 |
| 2 Bt (EchoPAC) | Macron et al.32 | MD | 6.6 ± 7.8 | 4.6 ± 8.4 | 9.0 ± 13.8 | 4.5 ± 7.8 | 3.2 ± 6.6 | 3.2 ± 4.8 |
| 4 Bt (EchoPAC) | Macron et al.32 | MD | 9.2 ± 9.6 | 5.6 ± 7.2 | 9.6 ± 14.8 | 6.4 ± 12.8 | 3.1 ± 5.4 | 4.2 ± 10.6 |
| 1 Bt, Online | Chang et al.27 | ICC | 0.99 | 0.99 | 0.99 | 0.99 | ||
| BA | N/A | −1.62 ± 8.78 mL | −0.32 ± 10.0 mL | N/A | −7.91 ± 33.06 mL | −1.62 ± 6.85 mL | ||
| 4 Pl (TomTec) | Gutierrez-Chico et al.23 | ICC | 0.98 | 0.99 | 0.99 | 0.99 | 0.99 | 0.99 |
| 8 Pl (TomTec) | Gutierrez-Chico et al.23 | ICC | 0.99 | 0.99 | 0.99 | 0.99 | 0.99 | 0.99 |
| 4 Bt (TomTec) | Qi et al.30 | PCC | 0.98 | 0.995 | 0.998 | 0.948 | 0.947 | 0.982 |
| 3 to 5 Bt (Siemens) | Thavendiranathan et al.33 | MD | 1 ± 16 | 9 ± 14 | 9 ± 16 | 2 ± 20 | 5 ± 20 | 3 ± 22 |
PCC = Pearson's correlation coefficient; Bt = beat; Pl = plane; ICC = intra-class correlation; CV = coefficient of variability (% ± 2SD); BA = Bland–Altman (Bias ± 2SD); MD = mean difference expressed as a percentage of the mean (% ± 2SD); EDV = end-diastolic volume; ESV = end-systolic volume; LVEF = ejection fraction.