Advanced lung cancer inflammation index as a predictor of all-cause and cardiovascular mortality among American hypertensive patients
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BACKGROUND
The predictive value of advanced lung cancer inflammation index (ALI) in all-cause mortality and cardiovascular mortality among hypertensive patients has not been thoroughly investigated.
METHOD AND RESULTS
A total of 2805 hypertensive patients from the National Health and Nutrition Examination Surveys from 2005-2006 to 2017-2018 were ultimately included in the analysis. Over the study period, participants were followed up for an average of 57.6 months, during which 311 deaths occurred, with 89 deaths attributed to cardiovascular causes. Survey-weighted restricted cubic spline (RCS) analysis revealed a nonlinear negative correlation between ALI and both all-cause and cardiovascular mortality among hypertensive patients. Survey-weighted Cox proportional hazards models revealed that in the highest ALI quartile experienced a 53.8% reduction in all-cause mortality and an 83.5% reduction in cardiovascular mortality compared with those in the lowest quartile. Survey-weighted Kaplan-Meier survival analysis also revealed that the all-cause mortality and cardiovascular mortality of hypertensive patients in the high ALI group were significantly lower than those in the low ALI group. Time-dependent ROC curves were used to assess the accuracy of survival outcomes and the area under the curve (AUC) values for the ability of ALI to predict all-cause mortality at 1, 3, and 5 years among hypertensive patients were 0.772, 0.672, and 0.634, respectively, whereas the AUC values for predicting cardiovascular mortality were 0.735, 0.760, and 0.723, respectively.
CONCLUSIONS
ALI can be a valuable and effective tool for identifying high-risk hypertensive patients and guiding targeted interventions.
