Table 3 Summary of validity–reliability test of Indonesian version of AQUAREL
Parameters | Result | |
|---|---|---|
Validity | Correlation with SF-36 | Strong correlation between CHS–BP and between DYS–SF Moderate correlation between total AQUAREL and total SF-36 |
Correlation with 6MWT | Weak correlation between DYS–6MWT | |
Correlation with NT-proBNP | Weak correlation between CHS–DYS with NT pro BNP | |
Reliability | Inter-item correlation | Item 1–5 showed moderate to strong correlation in CHS Item 7–8, 8–9, 9–10 showed strong correlation in DYS |
Inter-domain correlation | Very strong correlation between CHS and total AQUAREL Strong correlation between DYS and total AQUAREL Strong correlation between CHS and DYS | |
Day-1 to day-8 comparison | No significant difference mean value Good correlation (Kendall Tau) of total AQUAREL Good correlation (ICC) total AQUAREL |