Table 3.
Differences in clinical and pathological features at prostatectomy between African Americans and Caucasians.
| Features | African American (n) | Caucasian (n) | P value |
|---|---|---|---|
| Total radical prostatectomy (%) | 18.7 (236) | 21.2 (216) | >0.05 |
| Cystoprostatectomy (%) | 9.8 (23) | 26.9 (58) | <0.0001a |
| Incidental prostate cancer (%) | 39.1 (9) | 34.5 (20) | >0.05 |
| Prostate cancer in prostatectomy (%) | 78.4 (185) | 70.4 (152) | >0.05 |
| Age (year, mean ± SD) | 58.7 ± 6.8 (185) | 61.5 ± 7.4 (152) | 0.0005 |
| Gleason score (mean ± SD) | 6.63 ± 1.1 (184) | 6.58 ± 1.3 (149) | >0.05 |
| Positive surgical margin (%) | 33.5 (62) | 19.7 (30) | 0.0005b |
| Extracapsular extension (%) | 18.9 (35) | 17.8 (27) | >0.05 |
| Seminal vesicle invasion (%) | 9.7 (18) | 8.6 (13) | >0.05 |
| Lymph node invasion (%) | 3.2 (6) | 1.3 (2) | >0.05 |
| Weight of prostate (grams, median) | 46 (127) | 45 (97) | >0.05 |
| % of prostate gland (median) | 15 (114) | 6.6 (94) | 0.00506 |
| Volume (cm3, median) | 7.4 (114) | 3 (93) | 0.00185 |
a: OR= 0.31, 95% CI: 0.18–0.52; b: OR = 2.05, 95% CI: 1.243–3.38.