Hospital transmission rates of the SARS-CoV 2 disease amongst orthopaedic in-patients in a secondary care centre: A quantitative review.

Orthopaedic practice changed during COVID-19 with elective work ceasing, trauma reducing and work forces redistributed to medical areas. During the United Kingdom lockdown, hospitals were stretched thinly with admissions of SARS-CoV-2 positive patients. Evaluate orthopaedic admissions to a district general hospital during lockdown and the volume of those who subsequently were found to be COVID-19 positive. Retrospective study of patients admitted under trauma and orthopaedics between March 23, 2020-June 18, 2020. Data includes; diagnosis, COVID-19 swab dates, results and mortality using orthopaedic admission sheets, patient and pathology electronic recording system. 3/4 of admitted patients tested negative for SARS-CoV-2 initially. Of these 240 patients, 12.5% subsequently tested positive during their stay, often within one week of their admission. 17.8% of patients were never tested. 7.8% mortality rate of which 48% were neck of femur fracture (NOF#) patients. 28 NOF# were confirmed COVID-19 positive; mortality rate of 21.4%. 87 NOF# were COVID-19 negative; mortality rate 6.9%. Mortality relative risk (RR) for NOF# and COVID-19 positive was 2.6. COVID-19 positive mortality 27% as compared to 4% in COVID-19 negative patients. Patients who acquired COVID-19 whilst in hospital had a mortality relative risk 6.4. 12.5% orthopaedic in-hospital viral transmission rate amongst orthopaedic patients despite the segregation measures taken, possibly due to asymptomatic health care workers or inpatients awaiting swab results. We emphasize the importance of testing all inpatients and regular testing of healthcare workers.

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The authors do not have any conflicts of interest to disclose.