| IL-4 | IL-10 | |||
| Control subjects | OA | Control subjects | OA | |
| Unstimulated | 0 (0 - 37) | 0 (0 - 44.2) | 0 (0 - 0) | 0 (0 - 346.8) |
| PHA stimulation | 0 (0 - 34.5) | 29.8 (0 - 67.4) | 1113.8 (14.5 - 4260.9) | 1182 (691 - 5004.3) |
| PHA stimulation + CSA | 0 (0 - 39.4) | 22.3 (0 - 39) | 884.1 (18.4 - 2667.1) | 866.2 (472.4 - 4301) |
| PHA stimulation + abatacept | 0 (0 - 40.6) | 29.9 (0 - 67.4) | 1019.8 (0 - 3143.9) | 1207.3 (664.9 - 5004) |