Table 3. Association between clinical stage and echocardiographic anomalies.

WHO stages	LV dilatation n [%]	Systolic dysfunction n [%]	Pericardial effusion n [%]	Diastolic dysfunction n [%]	Pulmonary hypertension n [%]	LVH n [%]	RV dilatation n [%]
Stage I (n=1)	0	0	0	0	1 [100]	0	1 [100]
Stage II (n=22)	0	0	3 [13.6]	8 [36]	0	1 [4.5]	14 [64]
Stage III (n=44)	0	0	6 [13.6]	12 [27]	4 [9.3]	6 [13.6]	37 [84]
Stage IV (n=33)	1 [3]	1 [3]	2 [6.0]	12 [36]	2 [6.3]	5 [15.2]	24 [72]
Total	1 [1]	1 [1]	11 [11]	32 [32]	7 [7]	12 [12]	76 [76]

WHO, World Health Organization; LVH, left ventriclar hypertrophy; RV, right ventricular.