Byg et al., 2003 [10] | Denmark, men and women, race not reported | 1980–1994 | 5536 | 7.2 | | | Register-based and nationwide, hospitalisations only |
Cozier et al., 2011 [34] | USA, women, African-Americans | 1995–2007 | 435 | 71 | 685 | 1160 | Black Women's Health Study, self-reported sarcoidosis with medical record review |
Cragin et al., 2009 [35] | USA, men and women, race not reported | 2004–2005 | | | 459 | 66.1 | Insurance billing data from five major health insurers in Vermont |
Deubelbeiss et al., 2010 [11] | Switzerland, men and women, race not reported | 2002–2005 | 2925 | 7 | | 121 | Register-based and nationwide, hospitalisations, biopsies, outpatient visits for a subset |
Dumas et al., 2016 [36] | USA, women, multiracial | 1989–2011 | 261 | Overall: 11; black: 43; white: 11 | 116 | Overall: 100; black: 519; white: 92 | Nurses’ Health Study, self-reported sarcoidosis |
Erdal et al., 2012 [5] | USA, men and women, multiracial | 1995–2010 | | | 3758 | 48–200 | Electronic medical records from Ohio State University Medical Center |
Gorham et al., 2004 [37] | USA, men, multiracial | 1975–2001 | 674 | Black: 24.9; white: 3.5 | | | Navy personnel, hospitalisations only |
Gribbin et al., 2006 [8] | UK, men and women, race not reported | 1991–2003 | 1019 | 5.0 | | | The Health Improvement Network, diagnoses from 255 primary care general practices |
Kim, 2001 [14] | Korea, men and women, race not reported | 1992–1999 | 309 | 0.13 | | | Nationwide survey for biopsy-proven sarcoidosis, hospitalised cases only |
Kowalska et al., 2014 [13] | Poland, men and women, race not reported | 2006–2010 | 1217 | 5.1–7.3 | | | Register-based, data from the National Health fund in Katowice, Silesia |
Rybicki et al., 1997 [4] | USA, men and women, multiracial | 1990–1994 | 259 | Black: 35.5; white: 10.9 | | | Insurance billing data in Michigan, confirmed by chart review |
Thomeer et al., 2001 [9] | Belgium, men and women, race not reported | 1992–1999 | 69 | 0.26 | 112 | 1.94 | Respiratory medicine centres (n=20) registered cases by respiratory specialists |
Arkema et al., 2016 (present study) | Sweden, men and women, race not reported | 2003–2013 | 10 787 | 10.4–14.8 | 16 547 | 152–215 | Register-based and nationwide, hospitalisations and outpatient visits |