The TIQ-20 is a 20-item questionnaire that was developed at the University of Auckland to measure the impact of tophi in people with gout. A paper describing the development of the TIQ-20 questionnaire was published in Annals of the Rheumatic Diseases in 2014. This calculator is freely available. Information about patients and questionnaire responses entered into this calculator will not be stored by the University of Auckland.

Gouty tophi are nodules (lumps) of uric acid crystals underneath the skin. This questionnaire asks about how tophi may affect you.

Do you have tophi?