Table 2. Associations between family history of prostate cancer (PCa) and prostate cancer risk.
| Cases n = 819 (48.2%) |
Controls n = 879 (51.8%) |
OR1 95% CI2 | |
|---|---|---|---|
| Family history of PCa in first degree relatives | |||
| No | 549 (75.2) | 723 (90.4) | 1.00 reference |
| Yes | 181 (24.8) | 77 (9.6) | 3.10 (2.32–4.15) |
| Cancer >60 years | 126 (17.4) | 64 (8.0) | 2.57 (1.86–3.54) |
| Cancer <60 years | 49 (6.8) | 13 (1.6) | 5.15 (2.75–9.62) |
| Number of family history of PCa in first degree relatives | |||
| None | 549 (75.2) | 723 (90.4) | 1.00 reference |
| 1 | 159 (21.8) | 70 (8.8) | 2.98 (2.20–4.03) |
| ≥2 | 22 (3.0) | 7 (0.9) | 4.44 (1.87–10.6) |
| p trend < 0.001 | |||
| Family history of PCa in fathers | |||
| No | 549 (75.2) | 723 (90.4) | 1.00 reference |
| Yes | 127 (18.8) | 57 (7.3) | 2.85 (2.04–3.98) |
| Cancer >60 years | 104 (15.5) | 51 (6.5) | 2.60 (1.82–3.71) |
| Cancer <60 years | 19 (2.8) | 6 (0.8) | 4.04 (1.60–10.2) |
| Family history of PCa in brothers | |||
| No | 549 (75.2) | 723 (90.4) | 1.00 reference |
| Yes | 65 (46.7) | 27 (45.8) | 3.79 (2.36–6.10) |
| Cancer >60 years | 33 (16.5) | 18 (17.7) | 2.73 (1.51–4.91) |
| Cancer <60 years | 30 (16.5) | 9 (17.7) | 5.91 (2.66–13.1) |
1OR: Odds Ratios adjusted for age, ethnic origin and number of male relatives.
295% CI: 95% Confidence Interval.