Table 1

Profiles of patients (n=57)

Gender male (%)54 (94.7%)
Age (years)71.5±8.0
BMI (kg/m2)21.5±3.2
Brinkman index1197±602
mMRC scale
 (0/1/2/3/4)14/30/9/2/2
GOLD classification
 (I/II/III/IV10/16/25/6
 Distance in 6MWT (m)418.2±103.9
Respiratory function
 FVC (L)2.82±0.79
 %FVC (%)98.6±27.2
 FEV1.0 (L)1.33±0.57
 FEV1.0/FVC (%)46.2±10.2
 FEV1.0/FEV1.0 p (%)51.9±20.9
 IC (L)1.99±0.56
Cardiac parameters measured by MDCT
 LVEF (%)53.5±10.9
 LVEDV (mL)96.5±34.3
 LVEDVI (mL/m2)61.6±22.7
 LVESV (mL)46.3±24.1
 LVESVI (mL/m2)29.5±16.4
 LVSV (mL)50.4±16.6
 LVCO (L/min)3.6±1.2
 LVCI (L/min/m2)2.3±0.8
 RVEF (%)34.4±12.5
 RVEDV (mL)121.5±38.4
 RVEDVI (mL/m2)77.2±23.1
 RVESV (mL)80.2±32.2
 RVESVI (mL/m2)51.0±19.7
 RVSV (mL)41.2±18.7
 RVCO (L/min)3.0±1.2
 RVCI (L/min/m2)1.9±0.8
Cardiac parameters measured by echocardiography
 LVDd (mm)45.0±7.4
 LVDs (mm)28.1±5.8
 LVEF (%)68.5±9.7
 TR-PG (mm Hg)15.5±13.8
  • 6MWT, 6 min walk test; BMI, body mass index; FEV1, forced expiratory volume in 1 s; %FVC, per cent predicted FVC; FVC, forced vital capacity; IC, inspiratory capacity; LVCI, left ventricular cardiac index; LVCO, left ventricular cardiac output; LVDd, left ventricular diastolic diameter; LVDs, left ventricular systolic diameter; LVEDV, left ventricular end diastolic volume; LVEDVI, left ventricular end diastolic volume index; LVEF, left ventricular ejection fraction; LVESV, left ventricular end systolic volume; LVESVI, left ventricular end systolic volume index; LVSV, left ventricular stroke volume; MDCT, multidetector CT; mMRC, modified British Medical Research Council; RVCI, right ventricular cardiac index; RVCO, right ventricular cardiac output; RVEDV, right ventricular end diastolic volume; RVEDVI, right ventricular end diastolic volume index; RVEF, right ventricular ejection fraction; RVESV, right ventricular end systolic volume; RVESVI, right ventricular end systolic volume index; RVSV, right ventricular stroke volume; TR-PG, tricuspid regurgitation-pressure gradient.