Table 2– Echocardiography and lung function tests

Test	Result	Patients
Echocardiography
Left ventricle size		40
Normal	40
Mildly dilated	0
Moderately dilated	0
Left atrium size		37
Normal	25
Mildly dilated	11
Moderately dilated	1
Right ventricle size		39
Normal	27
Mildly dilated	8
Moderately dilated	4
Right atrium size		38
Normal	27
Mildly dilated	10
Moderately dilated	1
Tricuspid regurgitation severity		36
Trivial	28
Mild	6
Moderate	1
Severe	1
Mitral E/A	1±0.4	19
Mitral E slope deceleration time ms	252±109	13
Average mitral E/E′	6.3±1.8	15
Tricuspid annulus plane systolic excursion cm	2.3±0.6	24
Tricuspid annulus S′ cm·s⁻¹	13±3	22
Pulmonary flow acceleration time ms	104±17	19
Lung function
FEV₁ L	2.9±0.9	38
FEV₁ % predicted	89±18	38
FVC L	3.8±1.2	39
FVC % predicted	98±20	39
T_LCO mmolCO·kPa⁻¹·min⁻¹	71±15	37
K_CO mmolCO·kPa⁻¹·min⁻¹·L⁻¹	89±17	34
TLC L	6±1.6	30
TLC % predicted	98±16	30
RV L	2.3±0.7	22
RV L % predicted	107±26	22

Data are presented as n or mean±sd. FEV₁: forced expiratory volume in 1 s; FVC: forced vital capacity; T_LCO: transfer factor of the lung for carbon monoxide; K_CO: transfer coefficient of the lung for carbon monoxide; TLC: total lung capacity; RV: residual volume.