Table 3 Comparison of baseline variables in patients with and without residual severe pulmonary hypertension
Baseline variablesRVSP<60 mm Hg (n = 33)RVSP⩾60 mm Hg (n = 6)p Value
Age (years), mean (SD)61 (15)54 (13)0.31
Additional contributory causes of PAH*7 (21)3 (50)0.16
NYHA ⩾II
    Before closure17 (52)6 (100)0.06
    After closure5 (15)4 (67)0.02
Atrial arrhythmia after closure6 (18)2 (33)0.59

  • Results are shown as No (%) unless stated otherwise.

  • *Contributory causes of PAH included respiratory disease, thromboembolic disease and left ventricular dysfunction. The prevalence of diastolic dysfunction was not available.

  • NYHA, New York Heart Association functional class; PAH, pulmonary arterial hypertension; RVSP, right ventricular systolic pressure.