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Table 7 Characteristics of case–control studies of other occupational exposures

From: Association between occupational exposures and sarcoma incidence and mortality: systematic review and meta-analysis

Author/year Region/country Timeperiod Age/gender Cases Controls
Balarajan et al., 1984 [80] England and Wales 1968–1976 Male 1961 persons diagnosed with malignant neoplasm of connective tissue and other soft tissue 1961 men with any other cancer from the National Cancer Register with a valid occupational code randomly matched for age and region of residence
Hoar Zahm et al., 1988 [72] Kansas, US 1976–1982 Male
 > 21
All newly diagnosed 133 soft tissue sarcoma (STS) cases among Kansas residents, identified through the University of Kansas Cancer Data Service 948 male from general population of Kansas
Pearce et al., 1988 [73] New Zealand 1980–1984 Male
 > 20
A series of case-referent studies based on the New Zealand Cancer Register and involving 19,904 male cancer patients. Total number of STS case was 171, with occupation recorded—142 For each site, the registrants for other sites formed the reference group
Zahm et al., 1989 [74] Kansas, US 1976–1982 Male
 > 21
All newly diagnosed 133 STS cases among Kansas residents, identified through the University of Kansas Cancer Data Service 948 white men from general population of Kansas matched by age and vital status
Wingren et al., 1990 [31] Sweden 1975–1982 Male 96 STS cases 450 randomly selected population referents and 200 cancer referents
Franceschi et al., 1992 [33] Northern Italy 1985–1991 Male/female 93 STS cases (53 male and 40 female) Control group consisted of 721 patients (371 men and 350 women) admitted to the aforementioned hospitals for a wide spectrum of diseases. Excluded patients with malignancies
Hoppin et al., 1999 [75] US 1984–1988 Male
30–60
251 living sarcoma cases from eight population-based cancer registries, born between 1929 and 1953 to include the age group eligible for service in Vietnam 1908 living controls
Briggs et al., 2003 [76] US 1984–1988 Male 335 confirmed cases of STS born 1929–1953, diagnosed with cancer in 1984–1988 2290 selected, 1910 completed interviews
Pahwa et al., 2003 [77] Canada 1971–1991 Male 365 living males with STS 1506 controls matched by age, province, and sex, selected from population-based sources within each province
Merletti et al., 2006 [78] 9 Western European countries 1995–1997 Female/male 96 cases of STS interviewed born in 1925–1961, diagnosed in 1995–1997 2632 randomly selected population controls
Hossain et al., 2007 [79] Canada 1991–1994 Male
 > 18
357 men with STS, diagnosed in 1991–1994, identified from provincial cancer registry 1474 controls, matched by age and resident in the same provinces
Pahwa et al., 2011 [37] Canada 1991–1994 Male
 ≥ 19
357 cases with first diagnosis of STS in 1991–1994, ascertained from provincial cancer registries, except in Quebec, where hospital ascertainment was used 1506 controls matched by age, province, and sex, selected from population-based sources within each province