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Table 1 Factors independently associated with 28-day mortality

From: Influence of dyskalemia at admission and early dyskalemia correction on survival and cardiac events of critically ill patients

 

aHR

95% CI

p value

Potassium level at admission

 Serious hypokalemia (K+ < 2.5 mmol/L)

1.286

0.899–1.840

0.17

 Moderate hypokalemia (2.5 ≤ K+ < 3 mmol/L)

1.118

0.904–1.384

0.30

 Mild hypokalemia (3 ≤ K+ < 3.5 mmol/L)

1.028

0.909–1.164

0.66

 No dyskalemia (3.5 ≤ K+ ≤ 5 mmol/L)

1

Ref

0.01

 Mild hyperkalemia (5 < K+ ≤ 6 mmol/L)

1.290

1.133–1.469

0.01

 Moderate hyperkalemia (6 < K+ ≤ 7 mmol/L)

1.051

0.822–1.343

0.69

 Serious hyperkalemia (K+ > 7 mmol/L)

1.119

0.729–1.719

0.61

Renal replacement therapy on day 1 or on day 2

1.337

1.184–1.510

< 0.01

Age > 60 years

1.867

1.695–2.057

< 0.01

Underlying disease

 Cardiac

1.355

1.211–1.516

< 0.01

 Immunosuppression

1.366

1.221–1.528

< 0.01

Admission category, medical

1.304

1.156–1.471

< 0.01

Main symptom admission

 Shock and multiple organ failure

1.925

1.635–2.267

< 0.01

 Acute respiratory failure and COPD exacerbation

1.646

1.392–1.945

< 0.01

 Acute renal failure

1.238

0.947–1.618

0.12

 Coma

2.337

1.960–2.787

< 0.01

 Trauma, monitoring, scheduled surgery

1

Ref

< 0.01

SOFA score without points for renal failure

1.214

1.198–1.230

< 0.01

  1. Abbreviations: COPD chronic obstructive pulmonary disease, SOFA Sequential Organ Failure Assessment
  2. Adjusted hazard ratio (aHR) on age above 60 years, chronic illness (cardiac, renal and immune-depression), main cause of admission, SOFA without renal score and medical critical disease and 95% confidence intervals (95% CI)