Table 3

Characteristics of patients with Group I pulmonary hypertension (PH) who were predicted to have Group II PH as based on the OPTICS and H2FPEF scores

OPTICS scoreH2FPEF score
Number410
H2FPEF score6.7±1.57.1±0.9
OPTICS score121±1492±27
Diagnosis, n (%)
 IPAH−4−9
 PVOD−1
Age (years)77±9.974±7.2
Male, n (%)2 (50)4 (40)
BMI (kg/m2)30±5.233±6
Medical history
 Diabetes mellitus, n (%)2 (50)4 (40)
 Atrial fibrillation, n (%)3 (75)9 (90)
 Systemic hypertension, n (%)03 (30)
 Dyslipidaemia, n (%)4 (100)6 (60)
 Left-heart valvular surgery, n (%)2 (50)2 (20)
 ECG index of SV1 +RV6 (mm)10±89.7±4
Transthoracic echocardiogram
 E/e′ ratio24±813.7±5
 LA dilation, n (%)4 (100)8 (80)
Right heart catheterisation
 Mean pulmonary artery pressure (mm Hg)44±1141.6±7.2
 Pulmonary artery wedge pressure (mm Hg)11±1.79.8±3.5
 Pulmonary vascular resistance (woods units, WU)9.8±0.88.9±2.3
  • Data are presented as mean±SD or actual number (%) where stated. NS indicates no significant difference between patient groups.

  • BMI, body mass index; E/e’ ratio, ratio between early mitral inflow velocity and mitral annular early diastolic velocity; HPAH, heritable pulmonary arterial hypertension; IPAH, idiopathic pulmonary arterial hypertension; LA, left atrium; PVOD, pulmonary veno-occlusive disease; SV1+RV6, sum of the s wave in v1 and r wave in v6; T1DM, type 1 diabetes mellitus; T2DM, type 2 diabetes mellitus.