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Geometric mean (95% CI) of prostate specific antigen by quintile of serum vitamin D in adult men, NHANES 2001–2006.
| Serum Vitamin D (nmol/L) | PSA (nmol/L)1 |
|---|---|
| Quintile 1 | 3.3 (3.1–3.7) |
| Quintile 2 | 3.7 (3.4–4.0) |
| Quintile 3 | 3.3 (3.0–3.6) |
| Quintile 4 | 3.6 (3.3–3.8) |
| Quintile 5 | 3.7 (3.4–4.0) |
| p-trend | 0.34 |
PSA = prostate specific antigen.
In men aged 50 years and older with no history of prostate cancer. Models adjusted for age and race/ethnicity.
