| Summary: | BACKGROUND AND AIMS:Because the sex difference in outcomes of fracture was incompletely understood, we evaluated the post-fracture complications and mortality of female and male patients. METHODS:We conducted a nationwide study of 498,586 fracture patients who received inpatient care using Taiwan's National Health Insurance Research Database 2008-2013 claims data. Female and male fracture patients were selected for comparison by using a propensity-score matching procedure. Age, low income, types of fracture, fracture with surgery, several medical conditions, number of hospitalization and emergency visits were considered as potential confounding factors. Multivariate logistic regressions were used to calculate the adjusted odds ratios (OR), the 95% CI of post-fracture complications and 30-day in-hospital mortality differences between women and men. RESULTS:Male patients had a higher risk of post-fracture pneumonia (OR 1.96, 95% CI 1.83-2.11), acute renal failure (OR 1.85, 95% CI 1.60-2.15), deep wound infection (OR 1.63, 95% CI 1.51-1.77), stroke (OR 1.58, 95% CI 1.49-1.67), septicemia (OR 1.51, 95% CI 1.42-1.61), acute myocardial infarction (OR 1.38, 95% CI 1.09-1.75) and 30-day in-hospital mortality (OR 1.69, 95% CI 1.48-1.93) compared with female patients. However, a lower risk of post-fracture urinary tract infection (OR 0.69, 95% CI 0.65-0.72) was found in men than in women. Male patients also had longer hospital stays and higher medical expenditures due to fracture admission than did the female patients. Higher rates of post-fracture adverse events in male patients were noted in all age groups and all types of fractures. CONCLUSION:We raised the possibility that male patients showed more complications and higher mortality rates after fracture admission compared with female patients, with the exception of urinary tract infections.
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