Table 2

Laboratory analysis: mortality predictive factors—multivariate regression

Univariable regressionMultivariable regression
OR (CI 95%)P valuesOR (CI 95%)P values
Corrected natraemia
 ≥136 mmol/L1 (Ref)Ref1 (Ref)Ref
 <136 mmol/L2.61 (1.40 to 4.85)0.002*2.40 (1.16 to 4.98)0.02*
Blood glucose (g/L)
 Below threshold value1 (Ref)Ref1 (Ref)Ref
 Above threshold value1.56 (0.90 to 2.72)0.122.00 (1.06 to 3.76)0.03*
MDRD†
 ≥50 mL/min/1.73 m2 1 (Ref)Ref1 (Ref)Ref
 <50 mL/min/1.73 m2 1.65 (0.95 to 2.88)0.081.97 (1.00 to 3.80)0.04*
  • Multivariable model includes laboratory variables, age, SBP, diabetes and BNP.

  • *P<0.05.

  • †MDRD, creatinine clearance (mL/min/1.73m2).

  • BNP, brain natriuretic peptide; MDRD, modification of diet in renal disease; SBP, systolic blood pressure.