Phenotypic and functional characterisation of CCR7+ and CCR7- CD4+memory T cells homing to the joints in juvenile idiopathic arthritis

Table 2 Clinical and laboratory features of patients with juvenile idiopathic arthritis at the time of determination of CCL21 in sera and synovial fluid

Course	No. of patients	Age (years)	Disease duration (years)	No. of joints with active/limited range of motion	PGI	ESR (mm/h)	Treatment; n
Polyarticular	12	11.5 (4.3–14.3)	3.4 (0.5–1.2)	5.3 (1–13)/18.3 (1–22)	7.8 (5–10)	78 (24–137)	NSAID, MTX; 8
							NSAID, CS, MTX; 2
							NSAID, CS; 1
							NSAID alone; 1
Oligoarticular	16	7.5 (2.1–15.9)	2.4 (0.3–14)	1.8 (1–4)/1.9 (1–4)	6.9 (5–10)	31.5 (5–65)	NSAID alone; 11
							NSAID, MTX; 2
							Nil; 3

Results are means (ranges in parentheses). See also 'Patients' in the Methods section.
CS, corticosteroids; ESR, erythrocyte sedimentation rate; MTX, methotrexate; NSAID, non-steroidal anti-inflammatory drugs; PGI, physician global index.

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