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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