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Journal of Long-Term Effects of Medical Implants
SJR: 0.332 SNIP: 0.491 CiteScore™: 0.89

ISSN Print: 1050-6934
ISSN Online: 1940-4379

Journal of Long-Term Effects of Medical Implants

DOI: 10.1615/JLongTermEffMedImplants.2013009858
pages 261-268

Knee Osteoarthritis Prevalence in Hospitalized Elderly Patients: A Retrospective Study

Ke Qiang Huang
The Geriatric Ward, General Hospital of Guangzhou Military Command of the People's Liberation Army, Guangzhou, China; Guangzhou Medical University, Guangzhou, China
Chuan Silvia Li
Global Research Solutions, Inc., Burlington, Ontario, Canada; Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
Zhong Qiu Lin
The Geriatric Ward, General Hospital of Guangzhou Military Command of the People's Liberation Army, Guangzhou, China
Guo Fei Feng
The Geriatric Ward, General Hospital of Guangzhou Military Command of the People's Liberation Army, Guangzhou, China
Xiao Hui Wang
The Geriatric Ward, General Hospital of Guangzhou Military Command of the People's Liberation Army, Guangzhou, China
Wen Zhe Fu
The Geriatric Ward, General Hospital of Guangzhou Military Command of the People's Liberation Army, Guangzhou, China; Guangzhou Medical University, Guangzhou, China
Zhi Quan Xie
The Geriatric Ward, General Hospital of Guangzhou Military Command of the People's Liberation Army, Guangzhou, China
General Hospital of Guangzhou Military Command

ABSTRACT

This study aimed to determine the prevalence rate of knee osteoarthritis (OA) and the risk factors for OA in hospitalized elderly patients. We conducted this retrospective study in elderly patients (aged 65 years and older) who were hospitalized in the Geriatric Ward of General Hospital of Guangzhou Military Command of the People's Liberation Army between January 2011 and June 2013, including general condition, present history, past history, physical examination, X-ray results, and disease diagnosis. The prevalence, awareness, and treatment rates of knee OA in hospitalized elderly patients were calculated. Risk factors were computed using multiple logistic regression analysis. Of a total of 267 (17.4%) hospitalized elderly patients diagnosed with knee OA, the prevalence rate of OA was 9.95% in males and 37.76% in females. The rate of awareness among those with OA was 51.68%; the rate of treatment was 83.33%; and the rate of control was 77.39%. The medical expenses for both females (1143±315 yuan month−1) and males (1192±357 yuan month−1) in knee OA patients are higher than that of the non-knee OA group (989±274 yuan month−1, 1038±295 yuan month−1). The risk factors for knee OA include gender (OR=2.448), age (OR=1.124), transportation mode (OR= 8.972), exercise (OR=7.374), bowel evacuation position (OR=5.767), family history of knee OA (OR=2.195), and body mass index (OR=2.469). The prevalence of knee OA is unexpectedly high in hospitalized elderly patients, and the rates of awareness and treatment are less than desirable. Prevention and control measures should be taken in patients with concomitant risk factors.