Table 2

SF-36v2™ results in ME/CFS cases

SF-36 scales and summaries

Norm-based scores

Standard scores



Mean

SDa

Mean

SDa

Median

IRb


Physical Component Summary

26.8

8.4

• Physical Functioning

27.7

10.6

30.1

24.8

25.0

10.0-45.0

• Role-Physical

25.4

8.2

19.5

20.7

12.5

0.0-31,2

• Bodily Pain

31.9

9.5

28.1

22.4

22.0

12.0-41.0

• General Health

28.3

8.0

24.9

16.7

20.0

10.0-35.0

Mental Component Summary

34.1

11.3

• Vitality

28.4

7.1

15.5

14.7

12.5

0.0-25.0

• Social Functioning

25.7

9.8

28.9

23.1

25.0

12.5-37.5

• Role-Emotional

31.3

15.1

47.2

32.5

50.0

25.0-75.0

• Mental Health

36.7

12.1

50.9

21.4

55.0

35.0-70.0


a SD = Standard Deviation; b IR = Interquartile range

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

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