From: Dendritic cells provide a potential link between smoking and inflammation in rheumatoid arthritis
Patient Tissue contribution | Patient smoking status* | Â | ||
---|---|---|---|---|
 |  | Smoker | Non-Smoker | P-value‡ |
Synovia | CYP1A1+ | 6†| 1 |  |
 | CYP1A1- | 1 | 12†|  |
 |  |  |  | 0.005 |
Nodules | CYP1A1+ | 2 | 4 | Â |
 | CYP1A1- | 2 | 10 |  |
 |  |  |  | 0.57 |