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Table 3 Univariate and multivariate Cox regression analysis for in-hospital mortality

From: Usefulness of lactate to albumin ratio for predicting in-hospital mortality in atrial fibrillation patients admitted to the intensive care unit: a retrospective analysis from MIMIC-IV database

Methods

HR (95%CI)

P value

For continuous variable

  

 Unadjusted

1.83 (1.75–1.90)

< 0.001

 Adjusted for model I

1.88 (1.80–1.96)

< 0.001

 Adjusted for model II

1.77 (1.69–1.86)

< 0.001

 Adjusted for model III

1.50 (1.42–1.58)

< 0.001

For categorical variable

  

 Unadjusted

2.67 (2.39–2.97)

< 0.001

 Adjusted for model I

2.64 (2.37–2.94)

< 0.001

 Adjusted for model II

2.03 (1.82–2.27)

< 0.001

 Adjusted for model III

2.01 (1.80–2.24)

< 0.001

  1. Model I adjusted for age, gender, weight. Model II adjusted for model I plus comorbidities, drugs, interventions, score system and charlson index. Model III adjusted for model II plus laboratory results except for lactate and serum albumin. HR, hazard ratio, 95%CI, 95% confidence index, NS, not significant