Table 5.
Agreement between manual and automated analyses according to image quality
| Parameter | Mean Difference (SD of the Diff.) | ICC (95% CI) | CoV (%) | ||
|---|---|---|---|---|---|
| Good image quality (Score ≤ 1) | LV (n = 187) | LV Mass | 3.0 (7.9) | 0.96 (0.94–0.98) | 12.8 |
| LV EDV | 3.4 (6.2) | 0.99 (0.97–0.99) | 6.5 | ||
| LV ESV | 1.7 (4.1) | 0.99 (0.99–1.00) | 9.0 | ||
| LV SV | 1.5 (5.2) | 0.95 (0.93–0.96) | 10.5 | ||
| LV EF | −0.6 (3.5) | 0.98 (0.98–0.99) | 6.2 | ||
| RV (n = 188) | RV EDV | 7.8 (10.5) | 0.93 (0.75–0.97) | 12.2 | |
| RV ESV | 1.0 (6.9) | 0.96 (0.95–0.97) | 16.9 | ||
| RV SV | 6.7 (8.5) | 0.79 (0.40–0.90) | 18.9 | ||
| RV EF | 3.0 (6.1) | 0.88 (0.78–0.93) | 11.5 | ||
| Reduced image quality (Score ≥ 2) | LV (n = 113) | LV Mass | 1.3 (11.2) | 0.94 (0.91–0.96) | 16.7 |
| LV EDV | 7.5 (9.7) | 0.95 (0.82–0.98) | 10.8 | ||
| LV ESV | 8.9 (16.3) | 0.87 (0.74–0.93) | 37.9 | ||
| LV SV | −1.6 (9.6) | 0.86 (0.80–0.90) | 20.5 | ||
| LV EF | −5.6 (7.5) | 0.90 (0.67–0.96) | 13.8 | ||
| RV (n = 112) | RV EDV | 6.7 (14.3) | 0.91 (0.83–0.95) | 16.8 | |
| RV ESV | −5.9 (12.1) | 0.84 (0.70–0.90) | 30.2 | ||
| RV SV | 12.7 (12.6) | 0.67 (0.02–0.86) | 27.9 | ||
| RV EF | 10.6 (12.1) | 0.56 (0.03–0.77) | 22.5 | ||
Biventricular volumes and LV mass were indexed to body surface area. SD standard deviation, ICC intraclass correlation coefficient, CoV coefficient of variation, LV left ventricular, RV right ventricular, EDV/ESV end-diastolic/systolic volume, SV stroke volume, EF ejection fraction