Task: Answer Verification
Input (English): Question: Does increased pretreatment serum IFN-β/α ratio predict non-response to tumour necrosis factor α inhibition in rheumatoid arthritis?
Answer: Increased pretreatment serum IFN-β/α ratio strongly associated with non-response to TNF inhibition. This study supports further investigation of serum type I IFN in predicting outcome of TNF inhibition in RA.
Output (English): yes