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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