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Factors determining the 1-year survival after operated hip fracture: a hospital-based analysis

  • Original Article
  • Published:
Journal of Orthopaedic Science

Abstract

Background

Factors associated with 1-year survival of hip fracture in Chinese ethnicities has not been clearly elucidated. The purpose of this study was to determine the 1-year survival associated with operated hip fracture and its prognostic factors in a district teaching hospital from January 1, 1998 to 2006.

Methods

Hip fracture admissions (ICD-9: 820) identified from an inpatient electronic database over a 9-year period were linked to Taiwan’s national death registry. Actuarial analysis was used to determine the 1-year survival rates after hip fracture, which were further compared according to different concurrent illnesses. We used the Cox proportional hazard regression model to explore the significant determinants of 1-year survival of the study patients.

Results

The overall 1-year survival rate of all patients was 86%. This was lower if the operation was accompanied by certain co-morbidities, including heart failure [hazard ratio (HR) 6.12; 95% confidence interval (CI) 1.54–24.36], chronic obstructive pulmonary disease (HR 2.40; 95% CI 1.14–5.05), and pneumonia (HR 4.26; 95% CI 1.95–9.31). In addition, elderly patients (>84 years of age) (HR 7.34; 95% CI 2.49–21.58), arthroplasty (HR 3.69; 95% CI 1.10–12.43), operative delay >48 h (HR 2.86; 95% CI 1.08–7.54), low preoperative hemoglobin level (<11 g/dl) (HR 2.58; 95% CI 1.33–5.01), and high creatinine level (≥2 mg/dl) (HR 2.52; 95% CI 1.07–5.95) were all significantly associated with increased mortality.

Conclusions

The 1-year survival for patients in this study hospital, 86%, was comparable to or higher than that of previous studies. Improved survival rates among hip fracture patients may be achieved by early recognition and prompt treatment of associated medical illnesses.

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Authors and Affiliations

  1. Department of Orthopedic Surgery, Catholic Mercy Hospital, Hsinchu County, Taiwan

    Ching-An Ho & Kou-Shiong Hsieh

  2. Department of Health Care Management, National Taipei College of Nursing, Taipei, Taiwan

    Chung-Yi Li

  3. Department of Endocrinology, Far-Eastern Memorial Hospital, 21, Sec 2, Nan-Ya South Road, Panchiao 220, Taipei County, Taiwan

    Hua-Fen Chen

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  1. Ching-An Ho
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Ho, CA., Li, CY., Hsieh, KS. et al. Factors determining the 1-year survival after operated hip fracture: a hospital-based analysis. J Orthop Sci 15, 30–37 (2010). https://doi.org/10.1007/s00776-009-1425-9

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  • DOI: https://doi.org/10.1007/s00776-009-1425-9

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