Table 5.
Comparison of echocardiographic abnormalities with WHO class.
| Echocardiographic abnormality | WHO CLASS I (n = 23) | WHO CLASS II (n = 28) | WHO CLASS III (n = 71) | WHO CLASS IV(n = 78) | P value |
|---|---|---|---|---|---|
| LV diastolic dysfunction | 5 | 6 | 30 | 37 | 0.02 |
| Valvular regurgitation (MR, AR, PR, TR) | 4 | 3 | 24 | 30 | 0.02 |
| Reduced FS(<30%) | 4 | 3 | 24 | 31 | 0.01 |
| Reduced LVEF (<50%) | 3 | 3 | 6 | 20 | 0.02 |
| Dilated cardiomyopathy | 3 | 3 | 6 | 12 | 0.62 |
| Pulmonary hypertension | 6 | 7 | 7 | 10 | 0.10 |
| Regional wall motion abnormality | 1 | 0 | 0 | 1 | 0.78 |
| Pericardial effusion | 2 | 4 | 3 | 5 | 0.35 |
MR, mitral regurgitation; AR, aortic regurgitation; PR, pulmonary regurgitation; TR, tricuspid regurgitation; FS, fractional shortening; LVEF, left ventricular ejection fraction; WHO, World Health Organization.