CMAJ • June 3, 2008; 178 (12). doi:10.1503/cmaj.071388.
© 2008 Canadian Medical Association or its licensors
All editorial matter in CMAJ represents the opinions of the authors and not necessarily those of the Canadian Medical Association.
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Postdischarge thromboprophylaxis and mortality risk after hip-or knee-replacement surgery

Elham Rahme, PhD, Kaberi Dasgupta, MD MSc, Mark Burman, MD, Hongjun Yin, PhD, Sasha Bernatsky, MD PhD, Greg Berry, MD, Hacene Nedjar, MSc and Susan R. Kahn, MD MSc

From the Department of Medicine (Rahme, Dasgupta, Bernatsky, Kahn), McGill University; the Division of Clinical Epidemiology (Dasgupta, Bernatsky, Nedjar), Research Institute, McGill University Health Centre; the Department of Surgery (Burman, Berry), Division of Orthopedic Surgery, McGill University Health Centre; the Centre for Clinical Epidemiology and Community Studies (Kahn), Jewish General Hospital, Montréal, Que.; and the Institute for Health Research and Policy (Yin), the University of Illinois at Chicago, Chicago, Ill.


Figure 117
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  		Figure 1: Selection of patients for inclusion in the study.

 

Figure 217
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  		Figure 2: Crude and adjusted odds ratios for receiving thromboprophylaxis after discharge among patients aged 65 years and older who underwent hip or knee replacement surgery between January 1997 and December 2004. Note: OR = odds ratio, CI = confidence interval, SD = standard deviation. *Adjusted for all variables listed in Figure 2.

 

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  		Table 1.

 

Figure 317
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  		Figure 3: Kaplan–Meier survival curves for patients aged 65 years and older who did or did not receive thromboprophylaxis after discharge. A) Patients in hospital for 1–7 days after surgery, B) patients in hospital for 8–14 days after surgery and C) patients in hospital for 15–30 days after surgery.

 

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  		Table 2.