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Table 3 Main clinical variables in the SOC group compared with the non-SOC group at the first visit

From: Opioids and fibromyalgia: frequency of use and factors associated with increased consumption in patients remitted to a tertiary care center

 

SOC group Mean (sd)

Non-SOC group Mean (sd)

p

Number of patients

100

987

 

ACR criteria

   

Widespread pain index (0–19)

14.9 (3.2)

14.0 (3.3)

0.005

Three principal symptoms (0–9)

7.7 (1.4)

7.3 (1.5)

0.014

Severity of somatic symptoms (0–3)

2.6 (0.7)

2.4 (0.8)

0.022

Polysymptomatic distress scale (0–31)

25.16 (4.5)

23.7 (4.4)

0.003

ICAF

   

Physical factor

57.6 (8.8)

53.7 (8.9)

< 0.0001

Emotional factor

57.6 (11.0)

52.7 (10.1)

< 0.0001

Active coping

49.0 (10.4)

51.3 (10.0)

< 0.0001

Passive coping

56.4 (9.7)

52.0 (10.8)

< 0.0001

Total score

58.2 (10.1)

52.8 (9.9)

< 0.0001

  1. ACR = American College of Rheumatology. ICAF = Combined Index of Severity in Fibromyalgia questionnaire. SOC = strong opioid consumer. sd = standard deviation