How well do nurses know their patients? Agreement between patients' degree-of-worry and nurses' estimation of patients' degree-of-worry-An observational study.

Aim: To assess the agreement between patients' self-reported degree-of-worry (DOW) and nurses' evaluation of patients' DOW.

Design: An observational cohort study with patients and their primary nurses.

Methods: Between 22 February and 27 March 2021, data collection among patients and their nurses in an emergency department was carried out.