Table 4. Correlation between salvage index and LVEF, KCCQ-CSS and 6MWD.
Variable | Salvage index | P-value |
KCCQ-CSS: Kansas City Cardiomyopathy Questionnaire Clinical Summary Score; LVEF: left ventricular ejection fraction; 6MWD: 6-min walk test distance. | ||
LVEF, 12 months | r = 0.452 | < 0.01 |
KCCQ-CS | r = 0.440 | < 0.01 |
6MWD | r = 0.384 | < 0.01 |