Table 3

 T cell subpopulations and activated T cells of peripheral blood in controls and in patients with active and inactive polymyositis

p Values
Patients with aPM (n = 13)Patients with iPM (n = 37)Controls (n = 32)aPM v controliPM v controlaPM viPM
Values are mean (SD).
The samples were measured by flow cytometry and lymphocytes were identified on the basis of their scatter properties.
aPM, active polymyositis; iPM, inactive polymyositis.
CD3+ cells (%)66.2 (9.4)70.4 (8.1)70.3 (7.2)NSNSNS
CD4+ cells (%)42.3 (12.4)46.9 (9.8)45.2 (7.6)NSNSNS
CD8+ cells (%)21.6 (10.2)20.6 (6.4)19.6 (5.9)NSNSNS
CD19+ cells (%)13.8 (7.4)10.9 (7.4)11.7 (4.1)NSNSNS
CD3+ and HLADR+ cells (%)13.6 (14.3)9.4 (7.8)3.0 (2.3)p<0.01p<0.01NS
CD3+ and CD69+ cells (%)1.5 (1.0)1.2 (0.9)1.0 (0.8)NSNSNS