Table 2.
The association between admission calcium-phosphate product levels and 1-year mortality
| Calcium-phosphate product at hospital admission (mg2/dL2) | 1-year mortality (%) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
| HR (95% CI) | P | #Adjusted HR (95% CI) | P | ||
| <21 | 24.7 | 1.11 (0.96-1.29) | 0.14 | 1.09 (0.94-1.26) | 0.28 |
| 21-<27 | 26.0 | 1.16 (1.03-1.30) | 0.01 | 1.09 (0.97-1.23) | 0.13 |
| 27-<33 | 23.9 | 1.05 (0.95-1.16) | 0.34 | 0.99 (0.90-1.10) | 0.97 |
| 33-<39 | 22.9 | 1 (reference) | - | 1 (reference) | - |
| 39-<45 | 25.0 | 1.10 (0.98-1.24) | 0.10 | 1.10 (0.98-1.24) | 0.10 |
| ≥45 | 29.3 | 1.39 (1.24-1.56) | <0.001 | 1.41 (1.25-1.67) | <0.001 |
#Adjusted for age, sex, race, GFR, principal diagnosis, Charlson comorbidity score, coronary artery disease, congestive heart failure, peripheral vascular disease, stroke, diabetes mellitus, COPD, cirrhosis, AKI, mechanical ventilation, vasopressor use at admission, calcium supplement use prior to admission, and year of hospitalization. GFR: Glomerular filtration rate, HR: Hazard ratio, CI: Confidence interval, AKI: Acute kidney injury, COPD: Chronic obstructive pulmonary disease