Table 4.
Final multiple logistic regression analysis of dysnatremia as independent risk factors for hospital mortality.
| Variable | Multiple logistic analysis | |
|---|---|---|
| OR (95%CI) | P value | |
| Model 1§ | ||
| Hyponatremia | 2.225 (1.857–2.667) | 0.000 |
| Hypernatremia | 13.387 (10.642–16.840) | 0.000 |
| Mixed dysnatremia | 22.344 (15.709–31.783) | 0.000 |
| Model 2§ | ||
| CA-hyponatremia | 1.950 (1.552–2.451) | 0.000 |
| HA-hyponatremia | 2.567 (2.087–3.156) | 0.000 |
| CA-hypernatremia | 8.827 (6.141–12.689) | 0.000 |
| HA-hypernatremia | 16.216 (12.588–20.888) | 0.000 |
| Mixed dysnatremia | 21.387 (14.992–30.510) | 0.000 |
| Model 3§ | ||
| Improved hyponatremia | 2.561 (2.062–3.182) | 0.000 |
| Persistent hyponatremia | 2.016 (1.649–2.465) | 0.000 |
| Improved hypernatremia | 6.755 (4.847–9.413) | 0.000 |
| Persistent hypernatremia | 22.292 (17.041–29.162) | 0.000 |
| “Hypo to hyper” mixed dysnatremia | 56.884 (35.098–92.193) | 0.000 |
| “Hyper to hypo” mixed dysnatremia | 6.629 (3.499–12.557) | 0.000 |
§
Normonatremia as the reference.
CA – community acquired; HA – hospital acquired; OR – odds ratio; CI – confidence interval.