Table 1.

Main subject characteristics at baseline by DNA index (n = 93)

Diploid (n = 35)Aneuploid (n = 58)P*
Age (median), y
    ≤6323 (65.7)27 (46.6)0.09
    >6312 (34.3)31 (53.4)
Sex
    Male27 (77.1)48 (82.8)0.6
    Female8 (22.9)10 (17.2)
Smoking habit
    Nonsmoker9 (25.7)13 (22.4)0.5
    Former smoker10 (28.6)24 (41.4)
    Current smoker16 (45.7)21 (36.2)
Tumor stage
    pTa22 (62.9)32 (55.2)0.5
    pT113 (37.1)26 (44.8)
Tumor grade
    G119 (54.3)19 (32.8)0.1
    G213 (37.1)33 (56.9)
    G33 (8.6)6 (10.3)
Tumor history
    First event19 (54.3)16 (27.6)0.02
    Recurrent tumor16 (45.7)42 (72.4)
Treatment
    Fenretinide (4-HPR)15 (42.9)33 (56.9)0.2
    Control20 (57.1)25 (43.1)
Previous intravesical treatment
    None7 (20.0)1 (1.7)0.01
    Bacillus Calmette-Guèrin15 (42.9)35 (60.3)
    Chemotherapy13 (37.1)22 (37.9)
  • * Pearson χ2 or Fisher exact test.

  • Numbers in parentheses are percentages.