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Table 2 Sensitivity to change: Comparison of measurements before and after intervention in patients with fibromyalgia

From: A confirmatory study of the Combined Index of Severity of Fibromyalgia (ICAF*): factorial structure, reliability and sensitivity to change

 

Mean Pre

Mean Post

Mean Diff.

t

SRM

1 SEM

Mean change score

Emotional

50.74

47.85

2.89

5.96***

0.48

0.78

Physical Activity

54.27

49.18

5.09

12.12***

0.89

0.62

Active Coping

48.96

50.35

-1.39

-2.37*

0.25

0.53

Passive Coping

51.57

52.65

-1.08

-1.56

0.20

0.84

Total

52.55

48.00

4.55

8.44***

0.66

0.64

  1. N = 22
  2. *p < .05, ***p < .001 SMR: standardized response mean; SEM: standard error of measurement