Table 2

Patient smoking status and tissue aryl hydrocarbon receptor (AHR) activation

Patient

Tissue contribution

Patient smoking status*


Smoker

Non-Smoker

P-value


Synovia

CYP1A1+

6

1

CYP1A1-

1

12

0.005

Nodules

CYP1A1+

2

4

CYP1A1-

2

10

0.57


*Patient smoking status when tissue sample was taken; Patients contributing paired samples were considered once for statistical analysis; P-value obtained by Fisher's exact probability two-tailed test

Kazantseva et al. Arthritis Research & Therapy 2012 14:R208   doi:10.1186/ar4046

Open Data