Table 1.

Studies contributing to the pooled analysis and information provided on investigated variables

ReferenceCases/controlsCountrySource of controlsGSTM1
GSTT1
GSTP1
Availability of information (%)
Cases (% Null)Controls (% Null)Cases (% Null)Controls (% Null)Cases (% Mutant)Controls (% Mutant)AgeBMISmokingReproductionFamily history
1(26)283/338USAPopulation283 (51.2)338 (50.6)98.697.698.498.698.6
2(30)827/262NorwayPopulation816 (51.6)196 (45.4)794 (17.8)196 (17.4)769 (11.1)258 (10.9)
3*130/122USAPopulation130 (39.2)122 (52.5)
4(29)361/437FrancePopulation + Hospital361 (55.7)437 (51.3)100.0
5(27)164/209USAHospital164 (55.5)209 (59.8)164 (28.7)209 (25.8)100.097.196.385.071.1
6(28)79/123BrazilHospital79 (41.8)123 (52.9)79 (19.0)123 (25.2)100.097.594.698.0
7(31, 32)204/478USAPopulation200 (48.5)474 (52.5)155 (26.5)325 (20.0)152 (5.9)327 (8.3)100.098.5100.0
Total2,048/1,9692033 (51.1)1899 (52.0)1192 (20.5)853 (21.6)921 (10.2)585 (9.4)66.424.145.844.926.8
  • * T. Rebbeck et al., unpublished data.