Table 1.

Demographic and clinicopathologic features of men undergoing radical prostatectomy for prostate cancer

Ethnicity
P
CaucasianAfrican American
No. patients (%)849 (55)683 (45)
Age at biopsy<0.001*
    Mean ± SD (y)62.1 ± 6.0360.3 ± 6.82
Year of biopsy<0.001*
    Median (IQR)1999 (1994-2002)2000 (1996-2003)
BMI (kg/m2)0.42
    <25198 (28)159 (25)
    25-29.9315 (44)270 (43)
    30-34.9141 (20)136 (22)
    ≥3555 (8)59 (10)
PSA0.002*
    Median (IQR)6.9 (4.8-10.6)7.4 (5.1-11.9)
Clinical stage (%)<0.001
    T1368 (48)398 (62)
    T2/T3406 (52)241 (38)
Gleason sum at biopsy (%)0.33
    2-6521 (63)415 (62)
    7228 (27)202 (30)
    8-1080 (10)53 (8)
Time interval from diagnosis to surgery0.004*
    Median (IQR, d)68 (45-103)76 (48-116)
  • Abbreviations: IQR, interquartile range; BMI, body mass index.

  • * Using Wilcoxon-Mann-Whitney test.

  • Using χ2 test.