Research Article

Predictive Value of Arterial Blood Lactic Acid Concentration on the Risk of in-Hospital All-Cause Death in Patients with Acute Heart Failure

Table 2

Association between lactic acid levels and the risk of in-hospital deaths.

Lactic acidModel 1Model 2Model 3

Q1, mmol/LRef.Ref.Ref.
Q2, mmol/L1.63 (1.26–2.11) 1.56 (1.21–2.03) 1.44 (1.07–1.93)
Q3, mmol/L1.76 (1.36–2.29) 1.66 (1.28–2.16) 1.46 (1.08–1.98)
Q4, mmol/L2.75 (2.14–3.55) 2.69 (2.08–3.48) 2.41 (1.78–3.27)
P For trend<0.001<0.001<0.001

Abbreviation: Q1, 0.3–1.1 mmol/L; Q2, 1.1–1.6 mmol/L; Q3, 1.6–2.3 mmol/L; and Q4, 2.3–4.3 mmol/L; , and , ; Model 1 was not adjusted for variables. Model 2 was adjusted for age, sex, ethnicity. Model 3 was adjusted for age, ethnicity, body mass index, weight, systolic blood pressure, the history of atrial fibrillation, liver cirrhosis, acute myocardial infarction, chronic kidney disease, respiratory failure, chronic obstructive pulmonary disease, ventricular fibrillation, diabetes mellitus, septicaemia, anion gap, bicarbonate, blood urea nitrogen, calcium, serum creatinine, glucose, hematocrit, hemoglobin, platelet, red blood cells, C reactive protein, length of stay, albumin, white blood cells, N terminal pro B type natriuretic peptide, cardiotonic drugs, nitro-glycerine drugs, furosemide drugs, infection-fighting drugs, Simplified Acute Physiology Score II, and sequential organ failure assessment.