Association between albumin corrected anion gap and 30-day all-cause mortality of critically ill patients with acute myocardial infarction: a retrospective analysis based on the MIMIC-IV database

Table 5 Threshold effect analysis of ACAG on 30-day all-cause mortality in ICU individuals with AMI using the two-piecewise model of linear regression

30-day all-cause mortality	Adjusted HR	95%CI	P value
Fitting by the standard linear model	1.05	(1.04, 1.07)	< 0.0001
Fitting by the two-piecewise linear model
Inflection point	24.5
ACAG < 24.5(mmol/l)	1.11	(1.07, 1.14)	< 0.0001
ACAG ≥ 24.5(mmol/l)	1.01	(0.99, 1.04)	0.3520
Log likelihood ratio			< 0.001

Adjust for: age, gender, ethnicity, weight, AF, hyperlipidemia, CCI, MV, heart rate, SBP, DBP, SPO2, Creatinine, Glucose, Sodium, Potassium, Platelets, WBC, RBC, Hb, ALT, CK-MB, Hypertension, Stroke, Bleeding, Vasoactive drugs, β-blockers, Troponin-T, CABG, PCI
Abbreviations: HR Hazard ratio, CI Confidence interval

ISSN: 1471-2261