Table 1.
Patient characteristics
| Cases | Controls | All Subjects | p Value | |||||
|---|---|---|---|---|---|---|---|---|
| Mean pt age (SD) | 64.1 | (8.4) | 64.2 | (8.6) | 64.1 | (8.5) | 0.64* | |
| No. pt age (%): | 0.90† | |||||||
| 40–49 | 12 | (5.3) | 13 | (5.3) | 25 | (5.3) | ||
| 50–59 | 61 | (26.9) | 65 | (26.3) | 126 | (26.6) | ||
| 60–69 | 102 | (44.9) | 105 | (42.5) | 207 | (43.7) | ||
| 70 | 52 | (22.9) | 64 | (25.9) | 116 | (24.5) | ||
| No. race (%): | 0.02† | |||||||
| White | 129 | (56.8) | 167 | (67.6) | 296 | (62.4) | ||
| Black | 32 | (14.1) | 35 | (14.2) | 67 | (14.1) | ||
| Hispanic | 65 | (28.6) | 43 | (17.4) | 108 | (22.8) | ||
| Other | 1 | (0.4) | 2 | (0.8) | 3 | (0.6) | ||
| No. prior neg biopsy (%): | 0.30† | |||||||
| Never | 177 | (78) | 203 | (82.2) | 380 | (80.2) | ||
| At least 1 | 50 | (22) | 44 | (17.8) | 94 | (19.8) | ||
| No. DRE (%): | <0.001† | |||||||
| Normal | 160 | (70.5) | 240 | (97.2) | 400 | (84.4) | ||
| Abnormal | 67 | (29.5) | 7 | (2.8) | 74 | (15.6) | ||
| No. family history (%): | <0.001† | |||||||
| No | 171 | (75.3) | 219 | (88.7) | 390 | (82.3) | ||
| Yes | 56 | (24.7) | 28 | (11.3) | 84 | (17.7) | ||
| PSA (ng/ml): | <0.001* | |||||||
| Mean (SD) | 5.1 | (8.8) | 1.5 | (1.3) | 3.2 | (6.4) | ||
| Range | 0.3–93.8 | 0.1–8.4 | 0.1–93.8 | |||||
| No. Gleason score (%): | ||||||||
| 5 | 6 | (2.6) | ||||||
| 6 | 142 | (62.6) | ||||||
| 7 | 52 | (22.9) | ||||||
| 8 | 9 | (4) | ||||||
| 9 | 8 | (3.5) | ||||||
| Missing | 10 | (4.4) | ||||||
*
Mann-Whitney U test.
†
Fisher’s exact test.