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Nurse practitioners perform a diagnostic role previously delivered by doctors. Multiple studies demonstrate nurse practitioners are as effective as doctors when managing chronic conditions and minor illnesses and injuries. No studies have focused on how nurse practitioners compare to doctors in their management of complex cases presenting for the first time.

This study assessed how nurse practitioners’ diagnostic reasoning abilities when managing a complex case compared to those of doctors’?

A comparative research design.

Purposeful sampling recruited 30 nurse practitioners and 16 doctors working in multiple specialties in New Zealand. All doctors were completing postgraduate specialist training programmes. Specialties included older adults, emergency care, primary health care/general practice, cardiology, respiratory and palliative care.

A complex case …