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Table 3 Factors independently associated with occurrence of cardiac events

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

 aOR95% CIp value
Potassium level at admission
 Serious hypokalemia (K+ < 2.5 mmol/L)1.0020.595–1.5851.00
 Moderate hypokalemia (2.5 ≤ K+ < 3 mmol/L)1.4731.130–1.921< 0.01
 Mild hypokalemia (3 ≤ K+ < 3.5 mmol/L)1.0650.914–1.2420.42
 No dyskalemia (3.5 ≤ K+ ≤ 5 mmol/L)1Reference< 0.01*
 Mild hyperkalemia (5 < K+ ≤ 6 mmol/L)1.2281.035–1.4560.02
 Moderate hyperkalemia (6 < K+ ≤ 7 mmol/L)1.4951.153–2.071< 0.01
 Serious hyperkalemia (K+ > 7 mmol/L)1.8941.158–3.1000.01
Renal replacement therapy day 1 or day 21.1260.914–1.388< 0.01
Age > 60 years2.3162.062–2.602< 0.01
Underlying disease
 Cardiac1.8091.579–2.073< 0.01
 Immunosuppression0.7610.651–0.890< 0.01
Admission category, medical1.4421.244–1.671< 0.01
Main symptom admission
 Shock and multiple organ failure1.4281.210–1.685< 0.01
 Acute respiratory failure and COPD exacerbation1.1330.956–1.3420.15
 Acute renal failure0.7520.521–0.9460.02
 Coma1.5591.298–1.873< 0.01
 Trauma, monitoring, scheduled surgery1Ref< 0.01
SOFA score without points for renal failure1.1851.166–1.205< 0.01
  1. Abbreviations: COPD chronic obstructive pulmonary disease, SOFA Sequential Organ Failure Assessment
  2. Adjusted odds ratio (aOR) 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)
  3. *The P value indicates that there are significant differences overall between level of kalemia