Table 1.

Characteristics of study subjects by race and disease status

African Americans
Whites
Controls, n (%)Cases, n (%)Controls, n (%)Cases, n (%)
Age* (y)
    <515 (4)4 (3)6 (4)18 (8)
    51-5513 (11)11 (10)8 (5)33 (14)
    56-6015 (12)43 (38)18 (10)89 (38)
    61-7088 (73)55 (49)139 (81)92 (40)
Age range43-7045-6535-7045-65
Mean age63.759.563.958.5
Cancer grade/stage
    High grade/advanced75 (66)169 (73)
    Localized38 (34)63 (27)
Family history
    Positive§10 (8)16 (14)14 (8)46 (20)
    Negative or unknown111 (92)97 (86)157 (92)186 (80)
  • * At diagnosis (cases) or interview (controls).

  • Poorly differentiated or undifferentiated or diagnosed in regional or distant stage.

  • Well-differentiated and local stage.

  • § One or more first-degree relatives with prostate cancer.