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Fig. 2 | BMC Cardiovascular Disorders

Fig. 2

From: Association between anion gap and mortality of aortic aneurysm in intensive care unit after open surgery

Fig. 2

Effects of anion gap on risk of mortality shown in restricted cubic splines. A Non-adjusted. B Adjusted for admission information and severity score, including admission type, age, gender, aortic rupture, SOFA, SAPSII and GCS; C Adjusted for complication and operation, including sepsis, chronic pulmonary diseases, peripheral vascular diseases, hypertension, renal failure, coagulopathy, fluid and electrolyte disorders, extracorporeal circulation, bypass surgery, ventilation on first day and urine output on first day; D Adjusted for laboratory indicators, including bicarbonate, creatinine, blood urea nitrogen, hematocrit, hemoglobin, PTT, PT, INR, white blood cell count and platelet count. In all figures, three-nodes restricted cubic splines were conducted to flexibly model and visualize the relation of anion gap (AG) with intensive care unit (ICU) mortality. Pnonlinear > 0.05 in all models means that AG doesn’t have statistically significant nonlinear relationship with ICU mortality. Abbreviation: OR, odds ratio; PTT, partial thromboplastin time; PT, prothrombin time; INR, international normalized ratio; GCS, Glasgow Coma Scale; SOFA, sequential organ failure assessment; SAPSII, simplified acute physiology score II

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