Immunophenotyping of inflammatory cells.
| Variable | Polymyalgia Rheumatica without GCA, n = 13 | Arteriosclerosis, GCA, n = 20 | GCA, n = 27 | PPV | p |
|---|---|---|---|---|---|
| CD20 absent | 13 (100) | 17 (85.0) | 8 (29.6) | 0.863 | ** |
| ≤ 5 | 0 (0) | 0 (0) | 5 (18.5) | ||
| > 5 | 0 (0) | 3 (15.0) | 14 (51.9) | ||
| CD3 absent | 6 (46.2) | 10 (50.0) | 1 (3.7) | 0.605 | *** |
| ≤ 5 | 6 (46.2) | 5 (25.0) | 0 (0) | ||
| > 5 | 1 (7.4) | 5 (25.0) | 26 (96.3) | ||
| CD4 absent | 9 (69.2) | 15 (75.0) | 1 (3.7) | 0.743 | *** |
| ≤ 5 | 2 (15.4) | 2 (10.0) | 1 (3.7) | ||
| > 5 | 2 (15.4) | 3 (15.0) | 25 (93.6) | ||
| CD8 absent | 13 (100) | 16 (80.0) | 4 (14.8) | 0.852 | *** |
| ≤ 5 | 0 (0) | 1 (5.0) | 0 (0) | ||
| > 5 | 0 (0) | 3 (15.0) | 23 (85.2) | ||
| CD68 absent | 13 (100) | 16 (80.0) | 4 (14.8) | 0.852 | *** |
| ≤ 5 | 0 (0) | 1 (5.0) | 0 (0) | ||
| > 5 | 0 (0) | 3 (15.0) | 23 (85.2) | ||
| Mast cells absent | 10 (76.9) | 14 (70.0) | 12 (44.4) | 0.862 | *** |
| ≤ 5 | 2 (15.4) | 6 (30.0) | 11 (40.8) | ||
| > 5 | 1 (7.7) | 0 (0) | 4 (14.8) | ||
| CD138 absent | 13 (100) | 17 (85.0) | 8 (29.6) | 0.862 | *** |
| ≤ 5 | 0 (0) | 0 (0) | 4 (14.8) | ||
| >5 | 0 (0) | 3 (15.0) | 15 (55.6) | ||
| Antigen-presenting cells (S100) | 1 (737) | 5 (25.5) | 25 (92.6) | 0.806 | *** |
| Antigen-presenting cells (CDla) | 0 (0) | 3 (15.0) | 7 (25.9) | NS |