Table 1.
Selected Baseline and Clinical Characteristics of Prostate Cancer Cases (n = 197)
| Characteristica | Prostate Cancer Cases |
|---|---|
| Age at blood collection (y) | 59.3 (5.4) |
| Age at cancer diagnosis (y) | 69.4 (6.2) |
| BMI (kg/m2) | 26.6 (3.8) |
| Serum total cholesterol (mmol/L) | 6.1 (1.1) |
| Serum HDL cholesterol (mmol/L) | 1.2 (0.3) |
| Serum α-tocopherol (mg/L) | 11.6 (3.1) |
| Serum β-carotene (µg/L) | 202 (132) |
| Serum retinol (µg/L) | 610 (124) |
| Serum total PSA (ng/mL) | 8.1 (12.1) |
| Cigarettes per day | 19 (9) |
| Years of cigarette smoking | 37.4 (9.3) |
| Median time from blood draw to cancer diagnosis (y) | 10 |
| Calendar year of diagnosis, No. (%) | |
| 1986–1994 | 62 (31.5) |
| 1995–2000 | 64 (32.5) |
| 2001–2007 | 71 (36.0) |
| Cancer stage, No. (%) | |
| Stage I | 47 (23.9) |
| Stage II | 55 (27.9) |
| Stage III | 41 (20.8) |
| Stage IV | 54 (27.4) |
| Median survival time for all cases (y) | 5.3 |
| Median survival time for cases by stage (y) | |
| Stage I | 7.8 |
| Stage II | 6.4 |
| Stage III | 5.4 |
| Stage IV | 1.9 |
Notes: BMI = body mass index; HDL = high-density lipoprotein.
aValues are means (SD) unless otherwise indicated.