Table 3.
New York Heart Association functional class for studied cohort at baseline, 1‐year, and 3‐year follow up.
| iNO responders (N = 10) | Oxygen responders (N = 23) | p value | |
|---|---|---|---|
| Baseline | 0.678 | ||
| I | 1 (11.1%) | 3 (16.7%) | |
| II | 7 (77.8%) | 9 (50.0%) | |
| III | 1 (11.1%) | 5 (27.8%) | |
| IV | 0 (0.0%) | 1 (5.6%) | |
| Year 1 | 1.000 | ||
| I | 2 (40.0%) | 1 (20.0%) | |
| II | 2 (40.0%) | 2 (40.0%) | |
| III | 1 (20.0%) | 2 (40.0%) | |
| Year 3 | 0.679 | ||
| I | 2 (40.0%) | 0 (0.0%) | |
| II | 2 (40.0%) | 1 (33.3%) | |
| III | 1 (20.0%) | 2 (66.7%) |
Note: New York Heart Association classes I–IV (indicated as I, II, III, and IV) recorded at time of right heart catheterization and again at one‐year and three‐year follow up.