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Table 9 Distribution-based estimates of the minimal important difference

From: Patient-reported questionnaires in MS rehabilitation: responsiveness and minimal important difference of the multiple sclerosis questionnaire for physiotherapists (MSQPT)

 

M4

M8a

M8b

M10

Activity

Participation

Balance

Total score

0.2*SD

0.25

0.30

0.33

0.18

3.31

2.68

0.52

6.20

0.33*SD

0.41

0.51

0.56

0.30

5.52

4.46

0.86

10.33

SEM

0.67

0.81

0.85

0.77

6.64

7.66

1.70

15.93

MDC95

1.87

2.24

2.39

2.13

18.40

21.23

4.70

44.16

MDC90

1.57

1.89

1.98

1.80

15.49

17.87

3.96

37.17

  1. SD standard deviation, SEM standard error of measurement, MDC 90 minimal detectable change of the 90% confidence interval, MDC 95 minimal detectable change of the 95% confidence interval, M4 taking a shower, M8a walking distance, M8b walking time, M10 getting in and out of the car