Table 3.
No PSA Screens | ≥ 1 PSA Screen | ||||||
---|---|---|---|---|---|---|---|
| |||||||
N Cases/Total Person-Years | HR | 95% CI | N Cases/Total Person-Years | HR | 95% CI | P‡ | |
|
|
|
|||||
Q1 | 180/20059 | 1.00 | – | 216/24553 | 1.00 | – | |
Q2 | 225/20123 | 1.16 | 0.95, 1.41 | 253/23447 | 1.04 | 0.86, 1.24 | 0.40 |
Q3 | 219/20209 | 1.15 | 0.94, 1.40 | 271/21526 | 1.15 | 0.97, 1.38 | 0.95 |
Q4 | 218/20511 | 1.18 | 0.97, 1.44 | 271/17630 | 1.17 | 0.97, 1.4 | 0.92 |
White | Non-White | ||||||
N Cases/Total Person-Years | HR | 95% CI | N Cases/Total Person-Years | HR | 95% CI | P‡ | |
|
|
|
|||||
Q1 | 368/39120 | 1.00 | –– | 38/2835 | 1.00 | –– | |
Q2 | 448/40082 | 1.22 | 0.98, 1.29 | 46/3365 | 1.07 | 0.70, 1.63 | 0.83 |
Q3 | 488/41140 | 1.20 | 1.04, 1.37 | 34/4566 | 0.78 | 0.49, 1.22 | 0.07 |
Q4 | 513/46084 | 1.19 | 1.03, 1.36 | 61/6238 | 1.21 | 0.80, 1.82 | 0.94 |
Adjusted for age, race, study center, BMI, education, smoking, family history of prostate cancer, history of diabetes, PSA screening, and energy intake
Quartile cutpoints (g/d): No PSA screens - 0.89, 5.95, 21.17; ≥ 1 PSA screen - 0.63, 4.13, 17.23; White - 0.63, 3.92, 16.42; Non-white 21.19, 7.74, 22.67
P value from heterogeneity test