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. Author manuscript; available in PMC: 2021 Apr 1.
Published in final edited form as: Ann Rheum Dis. 2019 Jun 22;79(10):e124. doi: 10.1136/annrheumdis-2019-215843

Table 1. Baseline characteristics of RA patients treated without and with early intensive treatment.

No early intensive treatment
(n = 353)		 Early intensive treatment
(n = 945)
Inclusion period 1993-2000 2001-2016
Women, n (%) 238 (67) 620 (66)
Age in years, mean (SD)   56 (16)   58 (15)
Symptom duration, days median (IQR)       136 (75-279)       117 (58-234)
Current smoker, n (%)   98 (30) 211 (25)
ESR, median (IQR)        37 (21-58)        29 (14-45)
66-SJC, median (IQR)      10 (5-16)        6 (3-11)
RF-positive, n (%) 193 (55) 543 (59)
ACPA-positive, n (%) 199 (56) 456 (51)

N, number of patients; SD, standard deviation; IQR, inter quartile range; ESR, Erythrocyte sedimentation rate; SJC, swollen joint count; RF, rheumatoid factor; ACPA, anti-citrullinated peptide antibody;