Responsiveness and Minimal Clinically Important Difference of the Infants and Toddlers Dermatology Quality of Life Questionnaire.

Background: The Infants and Toddlers Dermatology Quality of Life (InToDermQoL) is the dermatology-specific proxy health-related quality of life (HRQoL) instrument for children from birth to 4 years. The aim of the present study was to confirm the responsiveness and establish minimal clinically important difference (MCID) for the InToDermQoL.

Methods: Parents of children with skin diseases were asked to fill in the InToDermQoL at the initial visit (T1) and subsequent consultation (T2).