Table 3. Agreement and Disagreement for LVEF 35% or Greater According to Echocardiographic Method and Imaging Modality Using LVEF by CMR as the Standard.
| Comparison LVEF | No. of Patients With Both LVEFs | No. (%) of Patients | |||||
|---|---|---|---|---|---|---|---|
| Both EF ≤35% | Both EF >35% | 2 EFs Agreed | CMR EF ≤35% and Comparison EF >35% | CMR EF >35% and Comparison EF ≤35% | 2 EFs Disagreed | ||
| Echocardiographic EF | 377 | 243 (64.5) | 37 (9.8) | 280 (74.3) | 54 (14.3) | 43 (11.4) | 97 (25.7) |
| Echocardiographic biplane EF | 204 | 134 (65.7) | 18 (8.8) | 152 (74.5) | 34 (16.7) | 18 (8.8) | 52 (25.5) |
| Echocardiographic single-plane EF | 130 | 80 (61.5) | 17 (13.1) | 97 (74.6) | 18 (13.9) | 15 (11.5) | 33 (25.4) |
| Echocardiographic visual EF | 375 | 271 (72.3) | 25 (6.7) | 296 (78.9) | 24 (6.4) | 55 (14.7) | 79 (21.1) |
| SPECT EF | 134 | 90 (67.1) | 19 (14.2) | 109 (81.3) | 10 (7.5) | 15 (11.2) | 25 (18.7) |
Abbreviations: CMR, cardiovascular magnetic resonance; EF, ejection fraction; LVEF, left ventricular ejection fraction; SPECT, single-photon emission computed tomography.