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Table 3 Responsiveness parameters for the Minnesota Living with Heart Failure Questionnaire (MLHFQ) scales at 6 months after discharge (n = 1211)

From: Responsiveness and minimal clinically important difference of the Minnesota living with heart failure questionnaire

  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
  1. SEM standard error of measurement, MDC minimal detectable change, MCID minimal clinically important difference, CI 95% confidence interval
  2. 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