Characteristics of study subjects
| Characteristics and category . | Controls; n = 524 (%) . | Cancer cases; n = 488 (%) . | P value * . |
|---|---|---|---|
| Age | |||
| Mean ± SD | 64.56 ± 8.69 | 64.91 ± 8.33 | 0.51 |
| Age | |||
| ≤50 | 13 (3) | 17 (4) | 0.02 |
| 51–60 | 180 (34) | 134 (27) | |
| 61–70 | 183 (35) | 211 (43) | |
| ≥71 | 148 (28) | 126 (26) | |
| Race | |||
| African American | 97 (19) | 50 (10) | <0.01 |
| Caucasian | 427 (81) | 438 (90) | |
| Smoking history † | |||
| No | 176 (34) | 161 (34) | 0.94 |
| Yes | 339 (66) | 316 (66) | |
| Missing | 9 | 11 | |
| BPH history ‡ | |||
| No | 212 (41) | 255 (54) | <0.01 |
| Yes | 309 (59) | 215 (46) | |
| Missing | 3 | 18 | |
| FH § | |||
| No | 395 (82) | 315 (73) | <0.01 |
| Yes | 86 (18) | 117 (27) | |
| Missing | 43 | 56 |
| Characteristics and category . | Controls; n = 524 (%) . | Cancer cases; n = 488 (%) . | P value * . |
|---|---|---|---|
| Age | |||
| Mean ± SD | 64.56 ± 8.69 | 64.91 ± 8.33 | 0.51 |
| Age | |||
| ≤50 | 13 (3) | 17 (4) | 0.02 |
| 51–60 | 180 (34) | 134 (27) | |
| 61–70 | 183 (35) | 211 (43) | |
| ≥71 | 148 (28) | 126 (26) | |
| Race | |||
| African American | 97 (19) | 50 (10) | <0.01 |
| Caucasian | 427 (81) | 438 (90) | |
| Smoking history † | |||
| No | 176 (34) | 161 (34) | 0.94 |
| Yes | 339 (66) | 316 (66) | |
| Missing | 9 | 11 | |
| BPH history ‡ | |||
| No | 212 (41) | 255 (54) | <0.01 |
| Yes | 309 (59) | 215 (46) | |
| Missing | 3 | 18 | |
| FH § | |||
| No | 395 (82) | 315 (73) | <0.01 |
| Yes | 86 (18) | 117 (27) | |
| Missing | 43 | 56 |