Skip to main content

Table 1 Characteristics of studies included with descriptive statistics on rates of venous thromboembolism a

From: A meta-analysis of the risk of venous thromboembolism in inflammatory rheumatic diseases

Study Year Location/source Country Total RA patients RA patients with VTE Total controls Controls with DVT
Rheumatoid arthritis        
  Choi et al. [5] 2013 The Health Improvement Network UK 9,589 192 95,776 870
  Bacani et al. [6] 2012 Olmsted County, Minnesota USA 464 19 464 7
  Holmqvist et al. [7] 2012 National Patient Register Sweden 39,372 838 173,417 1,866
  Matta et al. [16] 2009 National Hospital Discharge Survey USA 4,818,000 110,000 891,055,000 10,227,000
  Liang et al. [17] 2006 Olmsted County, Minnesota USA 609 38 N/A N/A
  Chung et al. [18] 2013 Taiwan National Health Insurance Research Database Taiwan 29,238 278 116,952 394
  Kim et al. [19] 2013 US insurance claims USA 22,143 265 88,572 448
  Romero-Díaz et al. [20] 2009 Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Mexico 156 3 N/A N/A
  Zöller et al. [21] 2012 MigMed2 database Sweden 86,366 2,500 N/A N/A
  Ramagopalan et al. [22] 2011 Oxford Record Linkage Study UK 268,005 6,825 N/A N/A
Systemic lupus erythematosus        
  Aviña-Zubieta et al. [4] 2012 University of British Columbia Canada 5,031 265 50,310 533
  Calvo-Alén et al. [8] 2005 LUMINA Study Group USA 570 51 N/A N/A
  Kaiser et al. [9] 2009 UCSF Lupus Genetics Project USA 1,930 426 N/A N/A
  Romero-Díaz et al. [20] 2009 Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Mexico 241 25 N/A N/A
  Zöller et al. [21] 2012 MigMed2 database Sweden 9,147 276 N/A N/A
  Ramagopalan et al. [22] 2011 Oxford Record Linkage Study UK 23,544 636 N/A N/A
  Sarabi et al. [23] 2005 University of Toronto Lupus Database Canada 544 30 N/A N/A
  Chang et al. [24] 2006 McGill University Health Centre Lupus Clinic Registry Canada 426 40 N/A N/A
  Gladman and Urowitz [25] 1980 Lupus Clinic at the Wellesley Hospital Canada 180 17 N/A N/A
  Chung et al. [32] 2014 Taiwan National Health Insurance Research Database Taiwan 13,084 228 52,336 61
Sjögren's syndrome        
  Zöller et al. [21] 2012 MigMed2 database Sweden 3,410 100 N/A N/A
  Ramagopalan et al. [22] 2011 Oxford Record Linkage Study UK 12,680 305 N/A N/A
  Haga et al. [26] 2008 Haukeland University Hospital Norway 90 4 N/A N/A
  Chung et al. [31] 2014 Taiwan National Health Insurance Research Database Taiwan 8,920 59 35,680 98
Inflammatory myositis        
  Romero-Díaz et al. [20] 2009 Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Mexico 24 2 N/A N/A
  Zöller et al. [21] 2012 MigMed2 database Sweden 2,122 92 N/A N/A
  Ramagopalan et al. [22] 2011 Oxford Record Linkage Study UK 6,002 167 N/A N/A
  Selva-O'Callaghan et al. [27] 2011 Vall d'Hebron General Hospital Spain 97 9 N/A N/A
Systemic sclerosis        
  Zöller et al. [21] 2012 MigMed2 database Sweden 9,323 370 N/A N/A
  Ramagopalan et al. [22] 2011 Oxford Record Linkage Study UK 11,643 244 N/A N/A
  Aviña-Zubieta et al. [15] 2013 University of British Columbia Canada 1,284 73 12840 197
  Chung et al. [33] 2014 Taiwan National Health Insurance Research Database Taiwan 1,895 22 7,580 12
ANCA-associated vasculitis        
  Zöller et al. [21] 2012 MigMed2 database Sweden 15,085 878 N/A N/A
  Stassen et al. [28] 2008 University of Groningen Netherlands 198 23 N/A N/A
  Merkel et al. [29] 2005 The Wegener's Granulomatosis Etanercept Trial Research Group USA 167 16 N/A N/A
  Allenbach et al. [30] 2009 French Vasculitis Study Group Cohort France 845 67 N/A N/A
  1. aANCA, Antineutrophil cytoplasmic antibody; DVT, Deep vein thrombosis; N/A, Not available; RA, Rheumatoid arthritis; VTE, Venous thromboembolism.