Table 4– Criteria for categorising patients as stable/satisfactory or unstable/deteriorating
Stable/satisfactoryUnstable/deteriorating
Group 1Group 2Group 3Group 4
WHO functional classI–II at baseline and at follow-upIII–IV at baseline, I–II at follow-upI–II at baseline, III–IV at follow-upIII–IV at baseline and at follow-up
Cardiac index≥2.5 L·min−1·m−2 at baseline and at follow-up<2.5 L·min−1·m−2 at baseline, but ≥2.5 L·min−1·m−2 at follow-up≥2.5 L·min−1·m−2 at baseline, but <2.5 L·min−1·m−2 at follow-up<2.5 L·min−1·m−2 at baseline and at follow-up
Sv,O2≥65% at baseline and at follow-up<65% at baseline, but ≥65% at follow-up≥65% at baseline, but <65% at follow-up<65% at baseline and at follow-up
NT-proBNP<1,800 ng·L−1 at baseline and at follow-up≥1,800 ng·L−1 at baseline, but <1,800 ng·L−1 at follow-up<1,800 ng·L−1 at baseline, but ≥1,800 ng·L−1 at follow-up≥1,800 ng·L−1 at baseline and at follow-up
  • WHO: World Health Organization; Sv,O2: mixed-venous oxygen saturation; NT-proBNP: N-terminal pro-brain natriuretic peptide.