Table 3.
Convergent validity of patient-assessed dyspnoea in the EVEREST trial at Day 1
| Reference measure (Day 1) | Patient-assessed dyspnoea | P-value |
|---|---|---|
| Spearman's correlationa | ||
| Physician-assessed dyspnoea | 0.289 | <0.0001 |
| Physician-assessed orthopnoea | 0.214 | <0.0001 |
| Physician-assessed JVD | 0.157 | <0.0001 |
| Physician-assessed oedema | 0.155 | <0.0001 |
| Body weight | 0.200 | <0.0001 |
|
χ2 associationb NYHA class |
198.17 | <0.0001 |
aSpearman's correlations between patient self-assessed dyspnoea and changes in physician-assessed signs/symptoms and body weight at Day 1 (all patients).
bχ2 test on association. For patient-assessed dyspnoea, improved = markedly/moderately better, unchanged = minimally better/no change/minimally worse, and worsened = moderately/markedly worse.