Table 2.

Expression levels of CYP1B1 and COMT genes in tumor and adjacent nontumor tissues from patients diagnosed with breast cancer or BBD

GroupMedian (25th, 75th)*
Tumor tissueAdjacent tissueP
Breast cancer cases
    CYP1B135.3 (22.1, 60.3)48.4 (34.9, 68.9)0.020
    COMT32.9 (25.1, 60.0)46.2 (28.2, 64.5)0.030
BBD subjects
    CYP1B137.3 (21.7, 78.4)35.1 (24.1, 53.5)0.087
    COMT43.4 (33.8, 64.0)55.3 (43.9, 85.4)<0.001
  • * Median, 25% percentile, and 75% percentile.

  • The P values were derived from the Wilcoxon signed rank test.