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Table 1 Patient characteristics (n = 159)

From: Neuropathic-like pain features and cross-sectional associations in rheumatoid arthritis

Female sex, n (%) 104 (65.4)
Age (years), mean ± SD 57.2 ± 10.9
Education, n (%)  
 Low 37/158 (23.4)
 Medium 93/158 (58.9)
 High 28/158 (17.7)
Current smoking (yes), n (%) 27 (17.0)
Current alcohol use (yes), n (%) 120 (75.5)
Disease duration (years), median (IQR) 6.0 (3.0–12.0)
Concomitant FM (yes), n (%) 23/158 (14.6)
Prescribed RA medication  
 DMARD 95 (59.7)
 DMARD plus biologic 40 (25.2)
 Biologic only 18 (11.3)
 NSAID only 5 (3.1)
 Other painkiller only 1 (0.6)
Self-reported current pain medication (yes), n (%) 81/158 (51.3)
Self-reported current neuropathic pain medication (yes), n (%) 9/158 (5.7)
DAS28 (0–10), mean ± SD 2.1 ± 1.0
ESR (mm/hour), median (IQR) 8.0 (5.0–17.0)
CRP (mg/l), median (IQR) 3.0 (1.0–7.0)
SJC (0–28), median (IQR) 0 (0–1)
TJC (0–28), median (IQR) 0 (0–1)
HAQ-DI (0–3), mean ± SD 0.7 ± 0.6
SF-36 PCS (0–100), mean ± SD 41.7 ± 9.4
SF-36 MCS (0–100), mean ± SD 50.3 ± 10.3
  1. CRP C-reactive protein, DAS28 28-joint Disease Activity Score, DMARD disease-modifying antirheumatic drug, ESR erythrocyte sedimentation rate, FM fibromyalgia, HAQ-DI Health Assessment Questionnaire disability index (standard scoring), IQR interquartile range, MCS mental component summary, NSAID nonsteroidal anti-inflammatory drug, PCS physical component summary, RA rheumatoid arthritis, SF-36 36-item Short-Form health survey, SJC swollen joint count, TJC tender joint count