Total hip replacements for patients with a displaced intracapsular fracture who: Are able to walk independently out of doors with no more than the use of a stick; and Are not cognitively impaired; and Are medically fit for anaesthesia and the operation [patient.info]

Risk Factors of Femoral Neck Fracture Elderly populations have an increased risk of a fractured neck of the femur due to osteoporosis and high risk of falls due to neurovascular lesions, medications, dehydration, and cognitive impairment. [lecturio.com]

Consent and mental capacity Approximately 25% of patients with hip fracture have moderate or severe cognitive impairment, and a further 15–25% have mild cognitive impairment. [onlinelibrary.wiley.com]

Partial hip replacement may be recommended for adults who have other health conditions or cognitive impairment or who no longer live independently. [mayoclinic.org]

Four factors were identified in these patients closely related with a larger number of deaths: advanced age, polymorbidity, male gender and the presence of cognitive impairment. [scielo.br]

If a person changed the subpopulation within the observation period person-years at risk started again at the date of the assignment to the new subpopulation. [academic.oup.com]