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Table 4 Adjusted Cox regression model for patients excluded from the study due to missing covariates (n = 875)

From: Admission serum potassium concentration and long-term mortality in patients with acute myocardial infarction: results from the MONICA/KORA myocardial infarction registry

Admission SPC, mEq/l

Parsimonious Model a,b

HR (95% CI)

p Value

<3.5

1.37 (0.80–2.33)

0.2481

3.5 - <4–0

1.03 (0.73–1.44)

0.8840

4.0 - <4.5

1 (Ref.)

 

4.5 - <5.0

1.43 (1.00–2.04)

0.0486

≥5.0

2.40 (1.55–3.67)

<0.0001

  1. SPC, Serum potassium concentration; HR, Hazard ratio; CI, Confidence interval
  2. aAdjusted for age, sex, angina pectoris, hypertension, hyperlipidemia, any revascularization therapy (coronary artery bypass surgery, percutaneous coronary intervention (PCI) or thrombolysis), all four evidence-based medications (EBMs) at discharge (antiplatelet agents, beta-blockers, ACEIs/ARBs (Angiotensin-converting enzyme inhibitors/Angiotensin receptor blockers), statins), diuretics at discharge, calcium channel blockers at discharge, insulin at discharge
  3. b Not adjusted for stroke, smoking status and peak creatine kinase - myocardial band (CK-MB)