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. 2020 Jun 24;56(6):311.
doi: 10.3390/medicina56060311.

Prognostic Factors for All-Cause Mortality in Thai Patients with Fragility Fracture of Hip: Comorbidities and Laboratory Evaluations

Pichitchai Atthakomol  1   2 , Worapaka Manosroi  3 , Phichayut Phinyo  4   5 , Tanyong Pipanmekaporn  5   6 , Tanawat Vaseenon  1 , Sattaya Rojanasthien  1
Affiliations

Prognostic Factors for All-Cause Mortality in Thai Patients with Fragility Fracture of Hip: Comorbidities and Laboratory Evaluations

Pichitchai Atthakomol et al. Medicina (Kaunas). .

Abstract

Background and Objectives: Although the types of comorbidities and laboratory evaluations are major factors associated with mortality after hip fractures, there have been no studies of the association of these factors and mortality in Thai hip-fracture patients. This study aimed to identify prognostic factors associated with mortality after a hip fracture in the Thai population, including types of comorbidities, treatment-related factors, and laboratory evaluations. Materials and Methods: This five-year retrospective study was conducted in a tertiary care hospital in Thailand. A total of 775 Thai patients who had been admitted with a hip fracture resulting from a simple fall were identified using the International Classification of Disease 10 codes, and a review of their medical charts was conducted. Associations between general factors, comorbidities, laboratory evaluations, treatment factors including type of treatment, and time to death were analyzed using the Cox proportional hazard regression and the hazard ratio (HR). Results: The overall mortality rate of hip fracture patients was 13.94%. Independent prognostic factors found to be significantly associated with mortality were nonoperative treatment (HR = 3.29, p < 0.001), admission glomerular filtration rate (GFR) < 30 mL/min/1.73 m2 (HR = 3.40, p < 0.001), admission hemoglobin concentration <10 g/dL. (HR = 2.31, p < 0.001), chronic obstructive pulmonary disorder (HR = 2.63, p < 0.001), dementia or Alzheimer's disease (HR = 4.06, p < 0.001), and active malignancy (HR = 6.80, p < 0.001). Conclusion: The types of comorbidities and laboratory evaluation findings associated with mortality in Thai patients with hip fractures include chronic obstructive pulmonary disorder, dementia or Alzheimer's disease, active malignancy, admission GFR < 30 mL/min/1.73 m2, and admission hemoglobin concentration <10 g/dL. The risks of mortality for Thai hip-fracture patients with these comorbidities or laboratory evaluation findings were 2.5, 4, 7, 3.5, and 2.5 times higher, respectively, than patients without those factors.

Keywords: Thai; comorbidities; hip fracture; laboratory evaluations; mortality; prognostic factors.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Calibration plot between observed and expected mortality probabilities. CI = Confidence Interval.
See this image and copyright information in PMC

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