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Table 2 Demographic information of included studies

From: The mid-term outcome of total ankle arthroplasty and ankle fusion in rheumatoid arthritis: a systematic review

Author Centre Year Recruitment period Follow up (yrs.) n included RA patients Age (yrs.) Male Manufacturer prosthesis (TAA) or operation technique (arthrodesis)
     Mean Range or SD   Mean Range or SD   
Total Ankle Arthroplasty (TAA)          
van der Heide et al. Radboud University, Nijmegen Medical Centre, The Netherlands 2009 1996 – 2004 2.7 1-9 54 55 27-82 19% STAR & BP
Schutte et al. Maartenskliniek, Nijmegen, The Netherlands 2008 1999-2004 2.3 1-5.6 29 57 37-81 34% STAR
Nelissen et al.* Leiden University Medical Centre, Leiden, The Netherlands 2006 2001-2003 2.0 SD: 0,4 15 61 SD 8,6 20% BP
San Giovanni et al. UHZ Sports Medicine Institute, Coral Gables, Florida 2006 1990-1997 8.3 5-12.2 23 61 28-79 9% BP
Doets et al. Slotervaart Hospital, Amsterdam, The Netherlands 2006 1988-1999 7.6 0.4-16.3 76 58 27-81 82% LCS & BP
Carlsson et al. Malmö University Hospital, Malmö, Sweden 2005 - 4.6 4-5 5 66 53-83 40% STAR
Bonnin et al. Clinique Sainte Anne Lumière, Lyon, France 2004 1997-2000 2.9 2-5.7 29 54 28-77 38% SALTO
Anderson et al. Malmö University Hospital, Malmö, Sweden 2003 1993-1999 4.3 3-6.6 22 61 27-75 33% STAR
Wood et al. Wrightington Hospital NHS Trust, Wigan, United Kingdom 2000 - 5.4 5-6 7 63 36-76 17% STAR
Mean     4.5    59.5   32%  
Total       260     
Arthrodesis           
Anderson et al. Malmö University Hospital, Malmö, Sweden 2005 1991-2002 7.0 2-12 51 56 24-76 17% Percutaneous & open
Kennedy et al. Hospital for special surgery, New York, New York 2003 1992-1996 3.8 2,1-6,3 20 56 31-81 24% Open
Shinomiya et al. School of Medicine University, Tokushima Japan 2003 1986-1996 - - 17 52 σ 7,8 12% -
De Palma et al. Università di Ancona, Ancona, Italy 2000 1994-1995 3.0 2-5 7 48 35-64 0% Arthroscopic
Lauge-Pedersen et al. Lund University Hospital, Lund Sweden 1998 1993-1997 2.3 0,3-4,4 10 66 45-80 40% Percutaneous
Stranks et al. Queen Alexandra Hospital, Portsmouth, United Kingdom 1995 1989-1991 1.6 1-2,5 8 59 51-70 13% Open
Moran et al. Freeman Hospital, Newcastle, United Kingdom 1991 1977-1986 5.0 2-12 26 54 28-80 15% Percutaneous & open
Sowa et al. John Hopkins University, Baltimore, Maryland 1989 1980-1985 4.0 1,1-6,6 6 60 32-77 17% Open
Mean     3.8    56.4   17%  
Total       145     
  1. * = As the range was not available, the standard deviation is reported.
  2. ¯ = information has not been described within the original article.
  3. Abbreviations: STAR Scandinavian Total Ankle Replacement, BP Buechel Pappas, LCS Low Contact Stress prosthesis.