Table 4.
OR and 95% CI for the association of above the median compared to below median levels of serum iron, ferritin and nitrite with risk of RCC, NYU Women’s Health Study, 1985–2000
| Cases, N | Controls, N | Unadjusteda |
Adjustedb |
|||
|---|---|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | |||
| Serum iron (μM) | ||||||
| Below median (12.6 μM) | 15 | 25 | 1.00 | 1.00 | ||
| Above median | 9 | 23 | 0.59 | 0.17–1.79 | 1.12 | 0.24–5.17 |
| Ferritin (ng/ml) | ||||||
| Below median (5.8 ng/ml) | 14 | 25 | 1.00 | 1.00 | ||
| Above median | 10 | 23 | 0.78 | 0.29–2.08 | 0.55 | 0.15–2.01 |
| Nitrite (μM) | ||||||
| Below median (42.1 μM) | 13 | 24 | 1.00 | 1.00 | ||
| Above median | 11 | 24 | 0.87 | 0.35–2.15 | 0.52 | 0.17–1.60 |
a
Except for matching factors (age, menopausal status, and date of blood donation).
b
Adjusted for smoking (never, ever) and body mass index (continuous variable).