Table 2.
Associations between serum selenium levels, all-cause mortality, and CVD mortality.
| Multivariable analysis | All-cause mortality | CVD mortality | ||
|---|---|---|---|---|
| aHRa (95% CI) | p-value | aHRb (95% CI) | p-value | |
| Serum selenium, ug/L | 0.99 (0.98–1.01) | 0.360 | 0.99 (0.97–1.00) | 0.120 |
| Q1 | Ref. | Ref. | ||
| Q2 | 0.61 (0.44–0.84) | 0.003 | 0.67 (0.39–1.16) | 0.151 |
| Q3 | 0.70 (0.51–0.96) | 0.026 | 0.78 (0.45–1.36) | 0.384 |
| Q4 | 0.59 (0.36–0.99) | 0.048 | 0.42 (0.19–0.92) | 0.031 |
HR, hazard ratio; aHR, adjusted hazard ratio; CI, confidence interval; ref, reference; CVD, cardiovascular disease. P-values < 0.05 are shown in bold. aAdjusted for variables with a p-value < 0.05 in the univariable analysis, excluding lab measures and frailty, including age (in years), education, smoking, hypertension, DM, CVD, and CKD. bAdjusted for variables with a p-value < 0.05 in the univariable analysis, excluding lab measures and frailty, including age (in years), education, cigarette smoking, DM, CVD, and CKD.