TABLE 3.
Caucasian Cohort n=41 |
% | African-American Cohort n=23 |
% | p- Value | |
---|---|---|---|---|---|
iPSA ng/ml | 0.02 | ||||
0–4.0 | 4 | 10 | 1 | 5 | |
4.1–10 | 22 | 56 | 8 | 36 | |
10.1 – 20 | 12 | 31 | 7 | 32 | |
> 20 | 1 | 3 | 6 | 27 | |
median | 6.5 | 12.3 | |||
mean | 9.4 | 17 | |||
IQR | 4.6 –11.6 | 7 –22 | |||
| |||||
Prostate Size | 0.3 | ||||
<50cc | 20 | 56 | 14 | 70 | |
>50cc | 16 | 44 | 6 | 3 | |
median | 47.7 | 45 | |||
mean | 52 | 47 | |||
IQR | 41 –56 | 34 – 56 | |||
| |||||
Gland involvement (%) | 0.8 | ||||
<10 | 10 | 27 | 4 | 18 | |
10 to 25 | 10 | 27 | 8 | 36 | |
25 to 50 | 10 | 27 | 7 | 32 | |
> 50 | 7 | 19 | 3 | 14 | |
| |||||
Seminal vesicle invasion | 0.3 | ||||
Unilateral | 26 | 67 | 18 | 78 | |
Bilateral | 13 | 33 | 5 | 22 | |
| |||||
Extraprostatic spread | 0.4 | ||||
Yes | 37 | 90 | 19 | 83 | |
No | 4 | 10 | 4 | 17 | |
| |||||
Positive Surgical Margins | 0.7 | ||||
Yes | 21 | 51 | 10 | 45 | |
No | 20 | 49 | 12 | 55 |
NOTE. Boldfaced values represent statistically significant differences between groups.
Abbreviations: iPSA- initial Prostate-specific antigen, IQR- interquartile range.