Table 1

Characteristics of case-control studies participating in the pooled analysis of history of autoimmune conditions and risk of non-Hodgkin lymphoma (NHL)

Study acronymLocationYearsAge, yMatching variablesCases
Controls
NRate,* %NRate,* %Source
Avi-N Aviano; Napoli, Italy 1999-2002 18-84 None 225 97 492 91 Patients admitted to hospital for non-neoplastic, nonimmunologic conditions 
BC Vancouver, Victoria, BC 2000-2004 20-80 Age, sex, region 828 79 848 46 Random selection from client registry of Ministry of Health 
Connecticut Connecticut 1995-2001 21-84 Age 598 72 716 47-69 <65 y: RDD; ≥65 y: random selection from CMMS 
EpiLymph Spain 1998-2003 17-96 Age, sex, region 435 82 630 96 Patients admitted to hospital for infectious, parasitic, mental, nervous, circulatory, digestive, endocrine, metabolic, or respiratory conditions 
 Germany 1999-2002 18-82 Age, sex, region 518 87 710 44 Random selection from population registries 
 Ireland 1998-2004 19-85 Age, sex, center 144 90 208 75 Patients admitted to hospital for infectious, parasitic, mental, nervous, circulatory, digestive, endocrine, metabolic, or respiratory conditions 
 Czech Republic 2001-2003 19-82 Age, sex, region 199 90 304 60 Patients admitted to hospital for infectious, parasitic, mental, nervous, circulatory, digestive, endocrine, metabolic, and respiratory conditions 
 France 2000-2003 18-82 Age, sex, region 217 91 260 74 Patients admitted to hospital for infectious, parasitic, mental, nervous, circulatory, digestive, endocrine, metabolic, and respiratory conditions 
 Italy (Sardinia) 1998-2004 25-81 Age, sex, region 219 93 336 66 Random selection from population registries 
Italy Turin, Novara, Forli, Vercelli, Varese, Verona, Florence, Siena, Latina, Ragusa, Imperia 1990-1993 20-74 Age, sex, region 1426 82 1771 74 Random selection from demographic or National Health Service files 
NCI-SEER Detroit, MI; Iowa; Los Angeles, CA; Seattle, WA 1998-2001 20-74 Age, sex, region, race 1316 76 1055 52 <65 y: RDD; ≥65 y: random selection from CMMS 
Nebraska Nebraska 1999-2002 20-75 Age, sex 387 74 535 78 RDD 
Northern Italy Aviano; Milan, Italy 1983-1992 17-85 None 429 >97 1155 >97 Patients admitted for non-neoplastic, nonimmunologic conditions in hospitals where cases diagnosed 
NSW New South Wales, Australian Capital Territory, Australia 2000-2001 20-74 Age, sex, region 694 85 694 61 Random selection from electoral rolls 
SCALE Denmark; Sweden 1999-2002 18-74 Age, sex, country 3055 81 3187 71 Random selection from population registries 
UCSF San Francisco, CA 1988-1993 21-74 Age, sex, region 1305 72 2404 78 <65 y: RDD; ≥65 y: random selection from CMMS 
UK Parts of north and southwest England 1998-2003 16-69 Age, sex, region 828 75 1139 71 Random selection from general practice lists 
Study acronymLocationYearsAge, yMatching variablesCases
Controls
NRate,* %NRate,* %Source
Avi-N Aviano; Napoli, Italy 1999-2002 18-84 None 225 97 492 91 Patients admitted to hospital for non-neoplastic, nonimmunologic conditions 
BC Vancouver, Victoria, BC 2000-2004 20-80 Age, sex, region 828 79 848 46 Random selection from client registry of Ministry of Health 
Connecticut Connecticut 1995-2001 21-84 Age 598 72 716 47-69 <65 y: RDD; ≥65 y: random selection from CMMS 
EpiLymph Spain 1998-2003 17-96 Age, sex, region 435 82 630 96 Patients admitted to hospital for infectious, parasitic, mental, nervous, circulatory, digestive, endocrine, metabolic, or respiratory conditions 
 Germany 1999-2002 18-82 Age, sex, region 518 87 710 44 Random selection from population registries 
 Ireland 1998-2004 19-85 Age, sex, center 144 90 208 75 Patients admitted to hospital for infectious, parasitic, mental, nervous, circulatory, digestive, endocrine, metabolic, or respiratory conditions 
 Czech Republic 2001-2003 19-82 Age, sex, region 199 90 304 60 Patients admitted to hospital for infectious, parasitic, mental, nervous, circulatory, digestive, endocrine, metabolic, and respiratory conditions 
 France 2000-2003 18-82 Age, sex, region 217 91 260 74 Patients admitted to hospital for infectious, parasitic, mental, nervous, circulatory, digestive, endocrine, metabolic, and respiratory conditions 
 Italy (Sardinia) 1998-2004 25-81 Age, sex, region 219 93 336 66 Random selection from population registries 
Italy Turin, Novara, Forli, Vercelli, Varese, Verona, Florence, Siena, Latina, Ragusa, Imperia 1990-1993 20-74 Age, sex, region 1426 82 1771 74 Random selection from demographic or National Health Service files 
NCI-SEER Detroit, MI; Iowa; Los Angeles, CA; Seattle, WA 1998-2001 20-74 Age, sex, region, race 1316 76 1055 52 <65 y: RDD; ≥65 y: random selection from CMMS 
Nebraska Nebraska 1999-2002 20-75 Age, sex 387 74 535 78 RDD 
Northern Italy Aviano; Milan, Italy 1983-1992 17-85 None 429 >97 1155 >97 Patients admitted for non-neoplastic, nonimmunologic conditions in hospitals where cases diagnosed 
NSW New South Wales, Australian Capital Territory, Australia 2000-2001 20-74 Age, sex, region 694 85 694 61 Random selection from electoral rolls 
SCALE Denmark; Sweden 1999-2002 18-74 Age, sex, country 3055 81 3187 71 Random selection from population registries 
UCSF San Francisco, CA 1988-1993 21-74 Age, sex, region 1305 72 2404 78 <65 y: RDD; ≥65 y: random selection from CMMS 
UK Parts of north and southwest England 1998-2003 16-69 Age, sex, region 828 75 1139 71 Random selection from general practice lists 

RDD indicates random digit dialing; CMMS Centers for Medicare and Medicaid Services.

*

Participation rate.

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