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. Author manuscript; available in PMC: 2013 Nov 15.
Published in final edited form as: Int J Cancer. 2012 Aug 12;131(10):2342–2348. doi: 10.1002/ijc.27438

Table 1.

Characteristics of case-control studies participating in the pooled analysis of infections and risk of NHL

Study
acronym		 Location
(reference)		 Year Age
(years)		 Matching
variables		 Cases Controls
n Rate1
(%)		 n Rate1
(%)		 Source
Aviano-N (18) Aviano; Napoli, Italy 1999–
2002		 18–84 None 225 97 504 91 Patients admitted to hospital for non-neoplastic, non-immunological conditions
BC (19) British Columbia, Canada 2000–
2003		 20–80 Age, sex, region 828 79 845 46 Random selection from client registry of Ministry of Health
Connecticut (20) Connecticut, USA 1995–
2001		 21–84 Age 597 72 716 47–69 <65y: RDD2; ≥65y: random selection from CMMS3
EpiLymph (4) 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 87 518 44 Random selection from population registries
Ireland 1998–
2004		 19–85 Age, sex,
center		 142 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 90 199 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 91 272 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 (6) Turin; Novara; Forli; Vercelli;
Varese; Verona; Florence;
Siena; Latina; Ragusa; Imperia		 1990–
1993		 20–74 Age, sex,
region		 1,640 82 1,771 74 Random selection from demographic or National Health Service files
Mayo (20) Minnesota, Iowa, and
Wisconsin, USA		 2002–
2005		 20–87 Age, sex,
region		 497 65 499 69 Patients attending a pre-scheduled general medical exam
NCI-SEER (21) Detroit; Iowa; Los Angeles;
Seattle, USA		 1998–
2001		 20–74 Age, sex,
region, race		 757 76 587 52 <65y: RDD2; ≥65y: random selection from CMS3
Northern Italy (5) Aviano; Milan, Italy 1983–
1992		 17–85 None 429 >97 1,157 >97 Patients admitted for non-neoplastic, non-immunological conditions in hospitals where cases diagnosed
NSW (9) New South Wales, Australian
Capital Territory, Australia		 2000–
2001		 20–74 Age, sex,
region		 694 85 694 61 Random selection from electoral rolls
SCALE (22) Denmark; Sweden 1999–
2002		 18–74 Age, sex,
country		 3,055 81 3,187 71 Random selection from population registries
UCSF (8) San Francisco, CA, USA 1988–
1993		 21–74 Age, sex,
region		 1,305 72 2,404 78 All ages: RDD2;plus for ≥65y: random selection from CMMS3
UK (23) Parts of north and southwest
England		 1998–
2003		 16–69 Age, sex,
region		 828 75 897 71 Random selection from general practice lists
1

Participation rate

2

RDD=Random digit dialing

3

CMMS=Centres for Medicare and Medicaid Service