Table 2.

Comparison of clinical and hemodynamic data between subjects with pulmonary artery hypertension (mPAp ≥ 25 mmHg) and subjects with normal pulmonary artery pressures (mPAp < 25 mmHg)

Clinical and hemodynamic variables	P value
Age	0.5
Height	0.4
Weight	0.2
Body surface area	0.3
Body mass index	0.4
Systolic PAp	<0.001*
Diastolic PAp	<0.001*
Mean PAp	<0.001*
PVRI	<0.001*
Pulmonary blood flow index	0.9
Mean LAp	0.9
Mean RAp	0.5
Systolic blood pressure	0.2
Diastolic blood pressure	0.2
Mean blood pressure	0.1
Heart rate	0.2
ECG QRS duration in lead V1	0.02*
ECG PR interval in lead 2	0.4

^NoteECG: electrocardiogram; LAp: left atrial pressure; PAp: pulmonary artery pressure; PVRI: pulmonary vascular resistance index; RAp: right atrial pressure.

^*P < 0.05.