Table 4.
Comparison between echocardiography and CMR measurements in 124 subjects
| Variable | Echo | CMR | Mean Difference (95% CL) | Mean Ratio (95% CL) | ||
|---|---|---|---|---|---|---|
| Mean ± SD (range) | Median | Mean ± SD (range) | Median | |||
| LV EDV (ml) | 76.8 ± 46.3 (6.8, 289.6) | 62.8 | 97.5 ± 45.8 (11.1, 233.2) | 94.0 | −20.7 (−86.6, 45.1) | 0.76 (0.40, 1.47) |
| LV ESV (ml) | 31.9 ± 27.1 (3.3, 214.7) | 24.9 | 41.1 ± 22.5 (2.0, 114.9) | 38.3 | −9.3 (−51.3, 32.7) | 0.73 (0.27, 1.95) |
| LV EF (%) | 59.9 ± 10.8 (25.9, 85.3) | 61.0 | 58.3 ± 9.4 (29.3, 91.0) | 58.6 | 1.6 (−23.3, 26.5) | 1.02 (0.65, 1.61) |
| LV mass (g) | 88.2 ± 55.9 (11.9, 332.8) | 68.2 | 84.8 ± 47.5 (19.0, 273.9) | 76.2 | 3.4 (−74.3, 81.1) | 1.00 (0.48, 2.08) |
| RV EDV (ml) | 71.6 ± 39.1 (15.1, 203.0) | 67.1 | 101.9 ± 44.4 (38.5, 213.0) | 93.0 | −30.3 (−83.5, 23.0) | 0.67 (0.34, 1.33) |
| RV ESV (ml) | 31.5 ± 23.7 (6.3, 138.3) | 24.1 | 44.4 ± 24.9 (9.9, 125.2) | 38.7 | −12.9 (−50.0, 24.2) | 0.66 (0.25, 1.74) |
| RV EF (%) | 56.9 ± 11.0 (26.2, 76.8) | 56.2 | 56.7 ± 9.5 (8.6, 76.1) | 55.5 | 0.2 (−24.2, 24.6) | 1.00 (0.65, 1.53) |
| RV mass (g) | 84.7 ± 47.2 (14.6, 237.7) | 67.8 | 86.2 ± 48.0 (29.6, 230.4) | 74.6 | −1.4 (−55.1, 52.2) | 0.97 (0.47, 1.98) |
N = 83 for LV comparisons, N=53 for RV comparisons
CL: confidence limits; CMR: cardiac magnetic resonance; EDV: end-diastolic volume; ESV: end-systolic volume; g: grams; ml: milliliters; LV: left ventricle; RV: right ventricle; SD: standard deviation