Table 1 Demographic information of the studies (NA, not available)
Author | Journal | Year | Study period | Country | N of patients | Male/ Female | Mean age (range) |
|---|---|---|---|---|---|---|---|
Lee et al. | Arch Orthop Trauma Surg | 2010 | July2004–Oct 2008 | Korea | 25 | 5/20 | 72.8 (65–85) |
Omura et al. | Arch Orthop Trauma Surg | 2000 | Jan 1994–Nov 1997 | Japan | 8 | 3/5 | 79.2 (62–101) |
Lalonde et al. | Iowa Orthop J. | 2010 | May 2001–May 2003 | Canada | 10 | 5/5 | 79 (53–90) |
Craig et al. | Skeletal Radiol | 2000 | Mar 1995–Feb 1999 | USA | 13 | 10/3 | 56 (24–86) |
Feldman et al. | AJR Am J Roentgenol | 2004 | 1990–2003 | USA | 37 | 12/25 | NA (50–95) |
Kim et al. | J Orthop Trauma | 2013 | June 2005–Feb 2012 | Korea | 9 | 1/8 | 80.8 (65–91) |
Suzuki | Arch Orthop Trauma Surg | 2011 | Jan 2009–Dec 2010 | Japan | 8 | 3/5 | 78 (58–92) |