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Table 4 Background data in 24 patients with fibromyalgia (FMS) and 27 healthy controls (CON) obtained from questionnaires and clinical examination, and significance level (P value) for group comparison (Mann-Whitney U test)

From: Effects of 15 weeks of resistance exercise on pro-inflammatory cytokine levels in the vastus lateralis muscle of patients with fibromyalgia

Variables FMS CON P value
Age (years 57.0 (9.0) 57.0 (9.0) 0.800
Height (m) 1.65 (9.8) 1.65 (6.0) 0.743
Weight (kg) 68 (15) 63 (13) 0.091
BMI (kg/m2) 25.4 (6.6) 23.5 (4.5) 0.053
BP diastolic (mm Hg) 85 (10) 82.1 (8.3) 0.555
BP systolic (mm Hg) 133 (24) 131 (16) 0.494
Pain duration (years) 15.2 (8.2) NA  
VAS overall (0–100) 52 (39) 0 (2) <0.001
Tender points (n) 15.9 (1.4) NA  
PPT-all sites (kPa) 180 (112) 326 (100) <0.001
HAD-Depression (0–21) 6.0 (5.6) 1.6 (1.8) <0.001
HAD-Anxiety (0–21) 6.0 (7.0) 3.4 (3.1) 0.012
SF36-PSC (0–100) 30.0 (9.3) 54.4 (4.5) <0.001
SF36-MSC (0–100) 44.7 (18.5) 51.2 (6.0) 0.019
  1. Data are presented as median (interquartile range)
  2. Bold italic figures denote significant differences
  3. BMI body mass index, BP blood pressure, HADS-Anxiety Hospital Anxiety and Depression Scale—anxiety subscale, HADS-Depression Hospital Anxiety and Depression Scale—depression subscale, NA not applicable, PPT-all sites pressure pain thresholds (mean for all sites), SF36-PCS Short-Form Health Survey 36-physical summary component, SF36-MSC Short-Form Health Survey 36-mental (psychological) summary component, VAS visual analogue scale