Table 1.

Clinical and Echocardiographic Characteristics of Study Population

	Patients	Controls	P Value
Number of subjects	34	24	–
Age (years)	35 ± 11	37 ± 10	0.36
Gender (men/women)	13/21	11/13	0.3
Heart rate (beats/min)	80 ± 10	75 ± 11	0.12
Left atrial diameter (mm)	35 ± 5	33 ± 4	0.19
LVEF (%)	70 ± 2	69 ± 2	0.26
PAPSP (mmHg)	37 ± 12	14 ± 4	<0.0001
P maximum (ms)	115.2 ± 9	99.3 ± 14	<0.0001
P minimum (ms)	78.1 ± 11	70.3 ± 14	0.074
P dispersion (ms)	37 ± 9	29.8 ± 10	0.003

LVEF = left ventricular ejection fraction; PAPSP = pulmonary artery peak systolic pressure.