Table 3.
Responsiveness parameters for the Minnesota Living with Heart Failure Questionnaire (MLHFQ) scales at 6 months after discharge (n = 1211)
| MLHFQ | |||
|---|---|---|---|
| Physical | Emotional | Total | |
| Cronbach’s α | 0.89 | 0.87 | 0.93 |
| SEM | 3.00 | 2.62 | 6.12 |
| MDC at the 95% confidence level | 8.33 | 7.27 | 16.96 |
| MDC proportion | 38.07 | 22.86 | 41.10 |
| MCID-based on transitional questions | |||
| MCID (CI9 5%) | 9.17 (7.79–10.55) | 3.59 (2.52–4.66) | 19.14 (16.04–22.24) |
| MCID proportion | 35.25 | 37.49 | 36.72 |
| Ratio of MCID to MDC at the 95% confidence level | 1.10 | 0.49 | 1.13 |
| MCID based on ROC analysis | |||
| MCID (CI 95%) | 5.00 (5.00–9.00) | 1.75 (0.75–6.00) | 8.20 (1.79–20.58) |
| MCID Proportion | 51.16 | 46.76 | 53.41 |
| Ratio of MCID to MDC at the 95% confidence level | 0.60 | 0.24 | 0.48 |
SEM standard error of measurement, MDC minimal detectable change, MCID minimal clinically important difference, CI 95% confidence interval
MLHFQ physical subscale scores range from 0 to 40, emotional subscale scores from 0 to 25, and total scores from 0 to 105, with higher scores indicating worse health status