[Homeless patients in Rotterdam with a need for medical care: data from the Rotterdam Street Doctors' office in the years 2006-2017].

Objective: To describe the demographic and medical characteristics and changes of the patients who visit the Rotterdam Street Doctors' office hours.

Design: Retrospective study of registered patient contacts from 2006-2017.

Method: Street doctors registered age, gender and ICPC diagnoses of patients in a GP information system.