Univariate Cox analysis HR [95CI] | P | Multivariate Cox analysisa HR [95CI] | P | |
---|---|---|---|---|
Male vs. Female | 0.57 [0.36–0.90] | .02 | 0.69 [0.40–1.20] | .19 |
Age | 0.99 [0.97–1.01] | .37 | ||
Hospital vs. community-acquired hyponatraemia | 2.24 [1.41–3.56] | .001 | 1.23 [0.67–2.27] | .51 |
Chronic vs. acute hyponatraemia | 0.72 [0.28–1.85] | .50 | ||
Symptomatic hyponatraemia | 0.80 [0.51–1.27] | .36 | ||
Severe neurologic symptoms | 0.85 [0.37–1.97] | .71 | ||
Nadir of plasma sodium | 1.02 [0.97–1.08] | .35 | 0.95 [0.89–1.01] | .13 |
Urine analysis | 0.64 [0.39–1.06] | .08 | 0.48 [0.27–0.85] | .01 |
Absence of diagnosis | 1.77 [1.11–2.81] | .02 | 1.07 [0.55–2.07] | .84 |
Number of potential causes | 1.45 [1.23–1.70] | <.001 | 1.07 [0.84–1.35] | .59 |
Treatment for hyponatraemia | 0.34 [0.19–0.60] | <.001 | 0.67 [0.30–1.52] | .34 |
Accuracy of treatment | 0.95 [0.43–2.08] | .90 | ||
Plasma sodium normalisation | 0.61 [0.39–0.97] | .04 | 0.35 [0.20–0.62] | <.001 |
Excessive correction | 0.64 [0.33–1.25] | .19 | 0.76 [0.33–1.77] | .52 |
Charlson comorbidity index | 1.28 [1.19–1.38] | <.001 | 1.23 [1.13–1.34] | <.001 |
Serum albumin (g/l) | 0.91 [0.88–0.95] | <.001 | 0.88 [0.84–0.92] | <.001 |