Table 1

Characteristics of study subjects

Characteristics and categoryControls; n = 524 (%)Cancer cases; n = 488 (%)P value *
Age
 Mean ± SD64.56 ± 8.6964.91 ± 8.330.51
Age
 ≤5013 (3)17 (4)0.02
 51–60180 (34)134 (27)
 61–70183 (35)211 (43)
 ≥71148 (28)126 (26)
Race
 African American97 (19)50 (10)<0.01
 Caucasian427 (81)438 (90)
Smoking history
 No176 (34)161 (34)0.94
 Yes339 (66)316 (66)
 Missing911
BPH history
 No212 (41)255 (54)<0.01
 Yes309 (59)215 (46)
 Missing318
FH §
 No395 (82)315 (73)<0.01
 Yes86 (18)117 (27)
 Missing4356
  • * P values from Student’s t test, Fisher’s exact test, or χ2 test.

  • Smoking history, ever smoked at least 100 cigarettes.

  • BPH history.

  • § FH, first-degree relatives with CaP (father or brother).