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

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

Parameter	Remission by ACR criteria^a	Nonremission by ACR criteria^a
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 detection^b	3.0 ± 3.8 (0–10), 10/7	4.0 ± 5.2 (0–12), 13/6

^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.

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