Table 2.
Multivariable logistic regression analysis of the association between ornithine levels and breast cancer.
| Quartile of ornithine | Range of ORNITHINE (µmol/L) | No. of cases | No. of controls | Unadjusted odds ratio (95% confidence interval) | Adjusted odds ratio (95% confidence interval)a |
|---|---|---|---|---|---|
| 1 | < 17.2 | 201 | 165 | Referent | |
| 2 | ≥ 17.2; < 24.5 | 188 | 181 | 0.86 (0.65, 1.15) | 0.87 (0.65, 1.17) |
| 3 | ≥ 24.5; < 38.8 | 173 | 194 | 0.74 (0.56, 0.99) | 0.73 (0.54, 0.98) |
| 4 | ≥ 38.8 | 173 | 195 | 0.74 (0.56, 0.99) | 0.70 (0.53, 0.94) |
| Overall (Per 1-SD increase) | 735 | 735 | 0.89 (0.80, 0.98) | 0.88 (0.79, 0.97) | |
aOdds ratios were adjusted for postmenopausal status and parity. Bold values are statistically significant at α = 0.05.