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Factors associated with one-year mortality rate after hip fracture in osteoporosis patients

Authors

Tonanakan Khunhon Orthopedic Chaiyaphum Hospital

Keywords:

Hip Fracture, Osteoporosis, Mortality, Risk Factors

Abstract

Objective: To study one-year mortality rate and associated factors in patients with osteoporotic hip fracture.

Materials and Methods: This five-year retrospective study in Chaiyaphum Hospital. A total of 754 Thai patients who had been admitted with hip fractures resulting from simple falls were identified using the International Classification of Disease 10 codes, Data were collected from medical records and vital status from Thai Registering System, Registration Office, Department of Provincial Administration, Ministry of Interior. Data were analyzed by frequency, percentage, mean, standard deviation, Chi-squared test, univariable analysis and multivariable analysis by risk ratio regression. Statistical significant was at p<0.05

Results: Mortality rate of hip fracture patients was 13.12%. prognostic factors found to be significantly associated with mortality were pulmonary embolism (RR=5.32, p<0.001), non-ambulatory patient (RR=3.97, p<0.001), pneumoniae (RR=3.63, p<0.001), cardiovascular disease (RR=1.74, p<0.001), Charlson comorbidity index (CCI) >5 point (RR=1.59, p=0.003), urinary tract infection (RR=1.57, p<0.0001), non-surgical treatment (RR=1.46, p<0.001), and time to surgery more than 72 hour (RR=1.30, p=0.009)

Conclusion: Pulmonary embolism, non-ambulation patient, pneumoniae, cardiovascular disease, CCI >5 point, urinary tract infection, non-surgical treatment, and time to surgery more than 72 hour were associated with mortality in patients with hip fractures. The risks of mortality were 5.32, 3.97, 3.63, 1.74, 1.59, 1.57, 1.46 and 1.30 times higher than patients without those factors.

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