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.