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Table 3 Patients in clinical remission satisfying or not satisfying the American College of Rheumatology criteria for remission

From: Interleukin-7 deficiency in rheumatoid arthritis: consequences for therapy-induced lymphopenia

Parameter Remission by ACR criteriaa Nonremission by ACR criteriaa
N 17 19
Age (mean ± standard deviation [range]; years) 48 ± 11 (28–67) 54 ± 11 (39–67)
Sex (male/female) 3/14 4/15
Disease duration (mean ± standard deviation [range]; years) 9.8 ± 6.6 (3–25) 9.7 ± 6.3 (2–28)
Remission duration (mean ± standard deviation [range]; months) 26 ± 16 (6–60) 30 ± 36 (6–144)
CRP (mean ± standard deviation [range]; mg/l), below/above detectionb 3.0 ± 3.8 (0–10), 10/7 4.0 ± 5.2 (0–12), 13/6
  1. aAmerican College of Rheumatology (ACR) remission criteria : less than 15 min morning stiffness; no fatigue; no joint pain; no joint tenderness or pain on motion; no swelling of soft tissue in joint or tendon sheaths; and <30 mm/h erythrocyte sedimentation rate. bC-reactive protein (CRP) values <5 mg/l are considered below the detection range. CRP values <10 mg/l are considered normal among the local population.