The pitfalls of translation--a case study based on the translation of the EQ-5D into Xhosa.

There is an evident need for standardised, internationally recognised instruments to measure health-related outcomes that are also locally applicable. The European Quality of Life 5-Dimensions (EQ-5D) is a widely used measure of health-related quality of life (HRQoL) that was translated into Xhosa. This communication outlines some of the different cultural and linguistic issues that had to be addressed during the translation process.