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Table 1 Main characteristics of individual studies included in this meta-analysis

From: The risks of cancer development in systemic lupus erythematosus (SLE) patients: a systematic review and meta-analysis

First author Year Data origin Calendar period No.of SLE patients (gender) SLE diagnosis Follow-up NOS scores
Tallbacka [14] 2018 The Helsinki University Central Hospital 1967–1987 205 (182 females and 23 males) ARA criteria 25.7 years 7
Yun [11] 2017 National Health Insurance System database 2009–2013 17,495 (15,826 females and 1669 males) NA NA 8
Azrielant [13] 2017 Clalit Health Services 2013 5018 (all males) NA NA 6
Yu [21] 2016 The Taiwan National Health Insurance Research Database (NHIRD) 1997–2010 15,623 (13,693 females and 1930 males) ACR criteria 124,832.45 person-years 8
Waseem [22] 2015 2006 Medicare claims data 2006 18,423 (all females) NA NA 8
Bernatsky [24] 2013 Multi-center 1958–2009 16,409 (90% females) ACR criteria 7.4 years/121,283 years 8
Dey [23] 2013 The University College London Hospitals Lupus Clinic 1978–2010 595 ACR criteria 14.7 years/8910.51 person-years 6
Hemminki [25] 2012 Swedish Hospital Discharge Register 1964–1986 7624 NA 11.9 years/86,640 person-years 8
Dreyer [26] 2011 Central Population Register 1951–2006 576 (508 females and 68 males) ACR criteria 13.2 years/7803 years 7
Kang [27] 2010 Kangnam St. Mary’s Hospital 1997–2007 914 (all females) ACR criteria 5716 person-years 8
Chen [15] 2010 National Health Insurance Research Database 1996–2007 11,763 (10,394 females and 1369 males) ARA criteria 6.1 years 5
Gadalla [28] 2009 Surveillance, Epidemiology and End Results-Medicare-linked database 1993–2002 340 NA NA 8
Parikh-Patel [29] 2008 Statewide patient discharge data 1991–2002 30,478 (27,133 females and 3345 males) NA 5.1 years/157,969 years 6
Tunde [30] 2007 A single center 1970–2004 860 (771 female and 89 male) ACR criteria 13.4 years 8
Bernatsky [31] 2005 Multi-center 1958–2000 9547 (8607 females and 940 males) ACR criteria 8.0 years/76,948 person-years 7
Ragnarsson [32] 2003 Icelandic SLE database 1957–2001 238 (213 females and 25 males) ARA criteria 12.8 years/2774 years 8
Bjornadal [33] 2002 Swedish National Board of Health and Welfare recorded data 1964–1995 5715 (4201 females and 1514 males) NA 50,246 person-years 8
Cibere [34] 2001 University-based Rheumatic Disease UniT 1975–1994 297 (84% females) ACR criteria 12 years 7
Sultan [35] 2000 Board of Health and Welfare recorded data 1978–1999 276 (93.5% females) ARA criteria 4.8 years/1695 years 7
Ramsey-Goldman [36] 1998 NA NA 616 NA NA 5
Mellemkjaer [37] 1997 Nationwide Danish Hospital Discharge Register 1977–1989 1585 (1308 females and 277 males) ACR criteria 6.8 years/10,807 personyears 6
Abu-Shakra [38] 1996 The University of Toronto Lupus Clinic Database NA 724 (627 females and 97 males) ACR criteria 7233 person-years 6
Sweeney [39] 1995 NA NA 219 NA NA 5
Pettersson [40] 1992 Fourth Department of Medicine, Helsinki University Central Hospital 1967–1987 205 (182 females and 23 males) ARA criteria 2340 person-years 5
  1. SLE systemic lupus erythematosus, ACR criteria American College of Rheumatology criteria, ARA criteria American Rheumatism Association criteria, NA not available.