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1.兰州大学第一临床医学院,兰州 730000
2.兰州大学第一医院消化科,兰州 730000
林玉玉,Email:linyy2023@lzu.edu.cn,研究方向:消化系统疾病。
陈兆峰,Email:zhfchen@lzu.edu.cn。
收稿日期:2025-06-02,
网络出版日期:2025-09-23,
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林玉玉,刘敏,吴瑞等.C反应蛋白-白蛋白-淋巴细胞指数与非酒精性脂肪性肝病死亡风险之间的关系[J].重庆医科大学学报.
Lin Yuyu,Liu Min,Wu Rui,et al.Relationship between the C-reactive protein-albumin-lymphocyte index and mortality risk in non-alcoholic fatty liver disease[J].Journal of Chongqing Medical University.
目的
2
探究C反应蛋白-白蛋白-淋巴细胞(C-reactive protein-albumin-lymphocyte,CALLY)指数与非酒精性脂肪性肝病(non-alcoholic fatty liver disease,NAFLD)死亡率之间的关系。
方法
2
本研究纳入了美国国家健康与营养调查1999年至2010年的3 346例NAFLD患者。采用加权Cox比例风险回归模型、Kaplan-Meier生存曲线、加权限制性立方样条(restricted cubic spline,RCS)和加权阈值效应分析来探讨CALLY指数与死亡率的关联,采用时间依赖性受试者工作特征(receiver operating characteristic,ROC)分析,评估CALLY指数预测不同时间点生存率的准确性。
结果
2
本研究中位随访时间为12.5年,共记录全因死亡(all-cause mortality,ACM)901例和心脑血管死亡(cardiovascular and cerebrovascular mortality,CCVM)328例。多因素Cox回归模型显示,与CALLY低水平组相比,中、高水平组的ACM风险比分别为0.68 (95%CI=0.56~0.83)和0.58 (95%CI=0.47~0.72),CCVM风险比分别为0.66(95%CI=0.48~0.90)和0.57 (95%CI=0.40~0.80)。RCS结果显示,ln(CALLY)与ACM、CCVM存在非线性关联(ACM:
P
非线性
=0.003;CCVM:
P
非线性
=0.031),阈值分别为7.015和4.768。时间依赖性ROC曲线表明,CALLY指数联合常规预后因素预测1、3、5、10年的ACM和CCVM曲线下面积介于0.77~0.86之间。亚组分析显示性别和糖尿病状态存在交互作用(性别:
P
交互
<
0.001;糖尿病:
P
交互
=0.016)。
结论
2
CALLY 指数是NAFLD患者ACM和CCVM风险的独立保护因素,对死亡风险具有较高的预测价值。
Objective
2
To investigate the relationship between the C-reactive protein-albumin-lymphocyte(CALLY) index and mortality in patients with non-alcoholic fatty liver disease(NAFLD).
Methods
2
This study included 3346 patients with NAFLD from the National Health and Nutrition Examination Survey from 1999 to 2010. We explored the relationship between the CALLY index and mortality using weighted Cox proportional hazards regression models,Kaplan-Meier survival curves,weighted restricted cubic splines (RCS),and weighted threshold effect analyses. We assessed the accuracy of the CALLY index in predicting survival rates at different time points using time-dependent receiver operating characteristic(ROC) curves.
Results
2
During a median follow-up of 12.5 years,901 cases of all-cause mortality(ACM) and 328 cases of cardiovascular and cerebrovascular mortality(CCVM) were recorded. The multivariable Cox analysis revealed that compared with the low-CALLY group,the hazard ratios(
HR
) for ACM in the medium- and high-CALLY groups were 0.68(95%CI=0.56-0.83) and 0.58 (95%CI=0.47-0.72),respectively; the
HR
values for CCVM were 0.66 (95%CI=0.48-0.90) and 0.57(95%CI=0.40-0.80),respectively. The RCS analysis indicated nonlinear associations of ln(CALLY) with ACM(
P
nonlinear
=0.003) and CCVM(
P
nonlinear
=0.031),with threshold points identified at 7.015 and 4.768,respectively. Using the CALLY index combined with conventional prognostic factors for predicting ACM and CCVM at 1,3,5,and 10 years,the areas under the time-dependent ROC curves ranged from 0.77 to 0.86. Subgroup analyses revealed significant interaction with sex(
P
interaction
<
0.001) and diabetes(
P
interaction
=0.016).
Conclusion
2
The CALLY index is an independent protective factor against ACM and CCVM in patients with NAFLD,which demonstrates high predictive value for the risk of mortality.
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