Table 2

Comparison of the study group included in ERCC2 genotype analysis to the overall study population of brain tumor cases and controls in the San Francisco Bay Area Adult Glioma Study, 1991–1995

Total study populationAll of the genotyped subjectsWhites genotyped
Cases (n = 476)Controls (n = 462)Cases (n = 187)Controls (n = 169)Cases (n = 161)Controls (n = 162)
Gender
 Female (%)204 (43%)209 (45%)69 (37%)79 (47%)63 (39%)75 (46%)
 Male (%)272 (57%)253 (55%)118 (63%)90 (53%)98 (61%)87 (54%)
Age (yr) (Mean ± SE)54.2 ± 0.853.7 ± 0.848.3 ± 1.153.0 ± 1.248.1 ± 1.253.3 ± 1.2
Diagnosis by cell type: (%)a
 Glioblastoma multiforme281 (59%)82 (44%)67 (42%)
 Astrocytomab89 (19%)39 (21%)34 (21%)
 Oligoastrocytoma47 (10%)31 (17%)28 (17%)
 Others59 (12%)35 (19%)32 (20%)
Race (white) (%)400 (84%)397 (86%)161 (86%)162 (96%)161 (100%)162 (100%)
  • a Percentages shown are percentage of total tumors.

  • b Includes anaplastic astrocytoma.