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Table 1 Baseline patient characteristics

From: Effect of vitamin B12 on the symptom severity and psychological profile of fibromyalgia patients; a prospective pre-post study

Variable

Value

Age, years (Mean (SD))

47.50 (8.47)

Education, years, percent (number)

0–12

12–16 

 > 16

57.1% (16)

35.7% (10)

7.1% (2)

Marital status, percent (number)

Single

Married

7.1% (2)

92.9% (26)

Employment status, percent (number)

Unemployed

Employed

75% (21)

25% (7)

Time from diagnosis, years (median (SD))

2.0 (2.98)

Onset of symptoms, years (median (SD)

5.5 (8.40)

Prior medication, percent (number)

Anti-depressant

Anti-epileptic

Analgesic

92.9% (26)

46.4% (13)

32.1% (9)

  1. SD standard deviation