Table 2

 Immunohistological features of synovial tissue from patients with RA, OA, and ReA for CD3+ T lymphocytes, CD68+ macrophages, CD13+ cells, CCR1+ cells, CCR2b+ cells, CCR5+ cells, CXCR4+ cells

RAOAReA
(n = 23)(n = 16)(n = 8)
The data represent the mean number of positive cells per 2.1 mm2 (standard error of the mean).
*Kruskal-Wallis test p<0.05, Mann-Whitney test, comparison between RA and OA: p<0.05, comparison between RA and ReA: not significant, comparison between OA and ReA: not significant.
CD3+ T lymphocytes*331 (83)46 (13)75 (26)
CD68+ macrophages1015 (178)383 (111)601 (256)
CD13+ cells640 (172)381 (122)547 (236)
CCR1+ cells1232 (231)1274 (182)955 (317)
CCR2b+ cells262 (71)114 (37)266 (152)
CCR5+ cells1335 (315)982 (248)730 (201)
CXCR4+ cells815 (202)784 (282)706 (353)