• A Oztürk, Y Ozkan, S Akgöz, N Yalçýn, R M Ozdemir, and S Aykut.
• Clinic of Orthopaedics and Traumatology, Bursa High Specialty Research and Training Hospital, Yýldýrým, Bursa, Turkey. ozturkalp@mynet.com
• Singap Med J. 2010 Feb 1; 51 (2): 137-43.

IntroductionHip fractures in the elderly are associated with significant mortality. This study aimed to investigate the risk factors for mortality in elderly patients with hip fractures during a one-year period.MethodsThis was a prospective study which included consecutive isolated nonpathologic hip fractures in 74 (52 female, 22 male) patients in a level-1 trauma centre. These patients were 65 years or older and were ambulatory before the fracture. The patients were treated with hemiarthroplasty. The factors investigated were age, gender, nutritional status determined by blood albumin and total lymphocyte count, haemoglobin levels on the day of admission, mobilisation time after surgery, length of hospital stay, comorbidities, American Society of Anaesthesiologists (ASA) rating of operative risk, and the time period between injury and surgery. The patients were followed up for one year after surgery, or until death.ResultsIn total, 15 patients died during the one-year period. Patient survival was 94.6 percent at 3 months, 81.1 percent at 6 months and 79.7 percent at 12 months. There were two in-hospital deaths. The factors significantly associated with mortality were patients with more than two comorbidities, an ASA score of III-IV, a blood albumin level of less than 3.5 g/dl and a total lymphocyte count of less than 1500 cells/ml on admission. However, after the multivariate analysis, an ASA score of III-IV, low total lymphocyte count, female gender and low haemoglobin levels on admission remained the independent and significant risk factors associated with a one-year mortality.ConclusionThis study confirms that a high ASA score, female gender, a lower lymphocyte count and low haemoglobin levels on admission are significant factors in assessing the one-year mortality in elderly patients with hip fractures. Predicting these risk factors improves the case management.

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