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Table 2 Characteristics of study population

From: Excess use of thyroid hormone treatment among patients with fibromyalgia: a cross-sectional study in primary health care

  No levothyroxine Levothyroxine p-value
N = 64 N = 33
Mean and 95% CI for mean
Number of other diseases 2.4 (1.91–2.90) 2.79 (2.32–3.25) 0.32
Number of regularly taken medicines 3.05 (2.15–3.95) 3.45 (2.63–4.28) 0.65
FIQ score (mean) 44.42 (39.87–48.97) 41.07 (34.36–47.77) 0.36
PHQ-9 score 10.05 (8.64–11.46) 10.52 (8.39–12.64) 0.71
  1. All characteristics were normally distributed
  2. FIQ  Fibromyalgia Impact Questionnaire, PHQ-9  Patient Health Questionnaire for depression