Table 1.

Baseline characteristics of prostate cancer cases and controls in the Physicians' Health Study

Cases (n = 504)Controls (n = 520)
Age at baseline (y)*59.2 ± 7.958.9 ± 7.6
Age at diagnosis (y)68.2 ± 6.5
Disease status (%)
    Stage A or B60.3
    Stage C14.7
    Stage D9.3
    Unknown15.7
Smoking status (%)*
    Current7.96.7
    Former43.544.0
Height (m)1.79 ± 0.061.78 ± 0.07
Weight (kg)78.9 ± 9.777.5 ± 9.3
Body mass index (kg/m2)24.7 ± 2.524.4 ± 2.5
Plasma VEGF level (pg/mL)
    Median (25th-75th percentile)47.8 (24.9, 94.3)48.9 (23.2, 90.6)
  • NOTE: Cases and controls were matched (1:1 to 1:3); the analytic sample above included 484 cases and 503 matched controls, 20 unmatched cases, and 17 unmatched control subjects.

  • * Matching variable.