Table 5

SF-36v2™ results in ME/CFS patients according to conformity to the Canadian diagnostic criteria

SF-36 scales and summaries

    Patients with Canadian diagnostic criteria

    Patients without Canadian diagnostic criteria

Males

    (n = 20)

Females

    (n = 76)

Total

    (n = 96)

Males

    (n = 15)

Females

    (n = 55)

Total

    (n = 70)

Comparison of

    total mean scores

mean

SDa

mean

SDa

mean

SDa

mean

SDa

mean

SDa

mean

SDa

Mean difference1

P- value2


Physical Component Summary

26.2

7.0

23.5

7.1

24.1

7.2

34.5

8.1

25.8

8.1

30.6

8.7

6.5

0.000

• Physical Functioning

26.9

11.6

24.1

8.2

24.7

9.0

36.2

13.3

30.4

10.7

31.8

11.5

7.1

0.000

• Role-Physical

21.1

5.1

22.9

5.2

22.5

5.2

30.2

10.7

29.1

9.9

29.3

10.0

6.8

0.000

• Bodily Pain

29.4

8.6

30.0

8.3

29.9

8.4

38.1

10.7

33.2

10.2

34.3

10.3

4.4

0.002

• General Health

23.9

6.5

26.6

6.6

26.0

6.6

32.7

8.7

30.6

8.5

31.0

8.5

5.0

0.000

Mental Component Summary

25.6

11.2

34.3

11.4

32.5

11.9

35.7

10.4

35.1

11.0

36.0

10.4

3.5

0.023

• Vitality

24.3

6.1

27.3

6.3

26.6

6.3

28.8

7.2

31.5

7.4

30.9

7.4

4.3

0.000

• Social Functioning

20.5

7.1

23.7

8.0

23.3

7.9

32.8

12.3

28.4

10.8

29.4

11.2

6.1

0.000

• Role-Emotional

24.1

17.3

31.7

14.6

29.6

15.3

33.1

15.0

33.0

14.5

33.1

14.5

3.5

0.076

• Mental Health

28.5

12.4

36.2

12.0

34.6

12.4

40.6

12.8

38.9

11.3

39.3

11.6

4.7

0.007


aSD = Standard Deviation

1 Patients without Canadian criteria - Patients with Canadian criteria

2 t-test comparing totals of SF-36v2TM in patients, who conform or not with Canadian diagnostic criteria

Nacul et al. BMC Public Health 2011 11:402   doi:10.1186/1471-2458-11-402

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