Reference charts for the six-minute walk test in healthy school-aged children from the city of Zaragoza, Spain

Introduction: The six-minute walk test is a stress test that provides information about exercise tolerance in chronic diseases. The aim of the study was to develop reference equations with normal values for the test in healthy children aged 6–12 years in our paediatric reference population. Patients and methods: The six-minute walk test was carried out in a sample of 236 healthy children, analyzing pre- and post-test variables, and we developed reference equations selecting variables that turned out to be significant (P