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Background: The COVID-19 pandemic modified hospital functioning, social mobility and assistance to the elderly. These factors may alter hip fracture  evolution.

Methods: Retrospective study of patients > 65 years suffering hip fracture fromthe 1st of March to the 31st of August of 2020, and compared with patients from the same period of 2019; 199 patients from 2019 (79.4%women) (mean age: 84.9 ± 7.72 years), and 203 patients from 2020 (69.5%women) (mean
age: 85.37 ± 8.13 years). Extracapsular fractures were 57.3% in 2019, and 58.6% in 2020. Follow-up was made until death or 6 months after surgery.

Results: In 2019, 44 patients (22.1%) died in the six postoperative months, and 61 patients (30%) in 2020 (OR 1.513; 95% CI 0.96–2.37; p = 0.199). There were no significant differences in mortality during postfracture hospitalization (11.1% in 2019; 11.82% in 2020) and in the first postoperative month
(16.6% in 2019; 22.66% in 2020). Four patients died during hip fracture hospitalization over 8 patients presenting PCR+. In 30 patients SARS-CoV-2 infection was diagnosed during the six months after hip fracture in 13 patients thiswas the cause of death (21.3% of causes). Dementiawas associated with high mortality in patients with a SARS-CoV-2 diagnosis (6 out of 13 patients died with SARS-CoV-2 infection and dementia).

Conclusions: An increase in the 6 postoperative months mortality in 2020 compared with the same period in 2019 was observed. An important cause of  death was SARS-CoV-2 infection.