Table 4 Association between AG and 90-day all-cause mortality of critically ill patients with GIB. Model 1: no adjustment. Model 2: adjusted for age, gender, weight, hypertension, diabetes, and heart failure. Model3: adjusted for age, gender, weight, WBC, RBC, platelet, RDW, calcium, glucose, PTT, Urea nitrogen, creatinine, phosphate, hypertension, diabetes, heart failure, CKD, COPD, MV, SOFA, OASIS, APS III, SBP, DBP, anticoagulant, blood transfusion, vasopressor drug, and enteral nutrition.

From: Association between serum anion gap and all-cause mortality in critically ill patients with Gastrointestinal bleeding: insights from MIMIC-IV database

 

Model 1

Model 2

Model 3

HR (95%CI)

P-value

HR (95%CI)

P-value

HR (95%CI)

P-value

AG

1.13 (1.11–1.15)

< 0.001

1.13 (1.11–1.15)

< 0.001

1.06 (1.04–1.09)

< 0.001

AG quartiles

      

Q1

1.00 (Reference)

 

1.00 (Reference)

 

1.00 (Reference)

 

Q2

1.40 (1.07–1.83)

0.013

1.37 (1.05–1.78)

0.022

1.22 (0.93–1.61)

0.142

Q3

1.79 (1.39–2.31)

< 0.001

1.70 (1.31–2.20)

< 0.001

1.24 (0.95–1.62)

0.115

Q4

3.47 (2.74–4.39)

< 0.001

3.37 (2.65–4.28)

< 0.001

1.74 (1.31–2.31)

< 0.001

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