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Nonlinear Relationship Between Serum Total Cholesterol Levels and the Severity of Hypertriglyceridemic Acute
Ziyu Liu1, Zongshi Liu2, Qi Li1
1Department of Gastroenterology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
Background:
The relationship between total cholesterol (TC) levels and the severity of hypertriglyceridemic acute pancreatitis (HTGAP) remains unclear.
Aims:
The aim of this study was to investigate the relationship between the levels of TC at admission with the severity of HTGAP, in order to apply it as a reliable predictor at early stage in clinical practice.
Methods:
We performed a cohort study including 249 patients with AHTGP between November 2012 and April 2022 in XuanWu Hospital. Fasting TC was assayed within 24 h of admission, age, gender, body mass index, hypertension, diabetes mellitus, drinking, smoking, neutrophil-lymphocyte ratio, C-reactive protein and glucose were recorded as confounding factors. To evaluate the relationship of TC and the severity of HTGAP, we used smooth curve fitting and a segmented regression model with adjustment of confounding factors to analyze the threshold effect between TC and SAP occurrence risk.
Results:
249 Patients were enrolled. The incidence of SAP was 25.3% (63/249). A nonlinear relationship between TC level and the severity of HTGAP. 6.09 mmol/L was the optimal TC value associated with the lowest risk of SAP occurrence. Moreover, TC level was negatively correlated with risk of severe HTGAP occurrence for TC < 6.09 mmol/L (OR 0.45, 95% CI 0.23-0.85, P = 0.014) and positively correlated for TC > 6.09 mmol/L in HTGAP patients (OR 1.14, 95% CI 1.04-1.26, P = 0.006).
Conclusions:
We found that serum TC level is nonlinearly associated with the severity of HTGAP, and it can be a reliable predictor for early intervention and intensive care.
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