Time point | Synovial lining hyperplasia | Fibrosis | Proliferative blood vessels | Diffuse infiltrates | Perivascular infiltrates | |||||
---|---|---|---|---|---|---|---|---|---|---|
 | Sensitized | Saline-injected | Sensitized | Saline-injected | Sensitized | Saline-injected | Sensitized | Saline-injected | Sensitized | Saline-injected |
Day 0 | 0.2 ± 0.2 | 0.2 ± 0.2 | 0.6 ± 0.2 | 0.6 ± 0.3 | 0.6 ± 0.2 | 0.6 ± 0.3 | 0.4 ± 0.3 | 0.4 ± 0.3 | 0.0 ± 0.0 | 0.0 ± 0.0 |
7 hours | 1.2 ± 0.4 | 0.2 ± 0.2 | 0.8 ± 0.4 | 0.6 ± 0.3 | 0.8 ± 0.2 | 0.8 ± 0.2 | 1.2a ± 0.2 | 0.8 ± 0.4 | 2.8a ± 0.6 | 1.6a ± 0.6 |
Day 1 | 1.6a ± 0.4 | 0.8 ± 0.2 | 1.6a ± 0.4 | 0.6 ± 0.3 | 0.6 ± 0.2 | 0.4 ± 0.2 | 2.2a ± 0.4 | 1.0 ± 0.0 | 2.0a ± 0.5 | 1.8a ± 0.4 |
Day 2 | 2a ± 0.3 | 0.2 ± 0.2 | 2.4a ± 0.3 | 0.6 ± 0.3 | 1.0 ± 0.0 | 0.6 ± 0.4 | 3.4a ± 0.3 | 0.4 ± 0.3 | 2.6a ± 0.5 | 0.4 ± 0.3 |
Day 3 | 3.2a ± 0.6 | 0.4 ± 0.3 | 2.2a ± 0.5 | 0.6 ± 0.3 | 1.8a ± 0.2 | 0.8 ± 0.4 | 3.4a ± 0.4 | 0.4 ± 0.3 | 2.0a ± 0.5 | 0.4 ± 0.3 |
Day 7 | 2.5a ± 0.7 | 0.3 ± 0.3 | 3.5a ± 0.3 | 0.3 ± 0.3 | 2.5a ± 0.5 | 0.5 ± 0.3 | 2.8a ± 0.6 | 0.3 ± 0.4 | 1.8a ± 0.5 | 0.4 ± 0.4 |
Day 14 | 3.3a ± 0.5 | 0.0 ± 0.0 | 4.0a ± 0.0 | 0.3 ± 0.3 | 1.8 ± 0.5 | 1.0 ± 0.4 | 2.0a ± 0.0 | 0.3 ± 0.3 | 1.8a ± 0.3 | 0.8 ± 0.3 |