Table 1.

Clinical and epidemiological characteristics of the patient cohort used for the genome-wide expression profiling.

Characteristic	RA cohort transcriptomic analysis
Population	Spain
Disease diagnosis	1987 ACR criteria for RA
Molecular data	RNA
Sample size (N)	11
Gender (female, %)	73.01
Naïve to anti-TNF therapy (%)	100.00
Previous therapies (MTX, %; LFD, %)	100.00; 81.81
Responders to anti-TNF therapy (N)	5
Moderate responders to anti-TNF therapy (N)	3
Non-responders to anti-TNF therapy (N)	3

ACR, American College of Rheumatology; MTX, methotrexate; LFD, leflunomide; N, sample size; RA, rheumatoid arthritis; TNF, tumor necrosis factor.