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中华老年病研究电子杂志 ›› 2023, Vol. 10 ›› Issue (02) : 28 -32. doi: 10.3877/cma.j.issn.2095-8757.2023.02.005

临床研究

中性粒细胞与淋巴细胞比值和C反应蛋白与淋巴细胞比值对老年脓毒症患者28天病死率的预测价值
陈丽娜, 虞意华, 徐靓, 龚仕金, 汪月奔()   
  1. 310013 浙江医院重症医学科
  • 收稿日期:2022-08-31 出版日期:2023-05-28
  • 通信作者: 汪月奔
  • 基金资助:
    浙江省医药卫生科技项目(2019KY255、2023KY441)

Predictive value of neutrophil/lymphocyte ratio and C-reactive protein/lymphocyte ratio for 28-day mortality in elderly patients with sepsis

Li’na Chen, Yihua Yu, Liang Xu, Shijin Gong, Yueben Wang()   

  1. Department of Critical Care Medicine, Zhejiang Hospital, Hangzhou 310013, China
  • Received:2022-08-31 Published:2023-05-28
  • Corresponding author: Yueben Wang
引用本文:

陈丽娜, 虞意华, 徐靓, 龚仕金, 汪月奔. 中性粒细胞与淋巴细胞比值和C反应蛋白与淋巴细胞比值对老年脓毒症患者28天病死率的预测价值[J/OL]. 中华老年病研究电子杂志, 2023, 10(02): 28-32.

Li’na Chen, Yihua Yu, Liang Xu, Shijin Gong, Yueben Wang. Predictive value of neutrophil/lymphocyte ratio and C-reactive protein/lymphocyte ratio for 28-day mortality in elderly patients with sepsis[J/OL]. Chinese Journal of Geriatrics Research(Electronic Edition), 2023, 10(02): 28-32.

目的

探讨中性粒细胞与淋巴细胞比值(NLR)、C反应蛋白与淋巴细胞比值(CLR)对老年脓毒症患者28 d病死率的预测价值。

方法

选取2017年1月至2021年1月浙江医院收治的330例老年脓毒症患者,收集患者的一般资料、临床检查指标,以及随访28 d的存活情况。采用单因素分析(包括t检验、秩和检验、χ2检验)比较存活组患者与死亡组患者的各项指标,采用Logistic回归分析老年脓毒症患者28 d死亡的独立危险因素,绘制受试者工作特性(ROC)曲线,根据曲线下面积(AUC)评价相关指标对预后的预测价值。

结果

存活组177例,死亡组153例。两组患者APACHEⅡ评分、白蛋白、合并肾功能不全的比例、降钙素原(PCT)、C反应蛋白、乳酸、NLR、CLR、C反应蛋白与白蛋白比值(CAR)的差异均有统计学意义(t=-19.345、2.765,χ2=4.905,Z=-7.672、-8.118、-5.826、-7.209、-9.992、-8.354;P<0.05或0.01)。NLR、CLR、PCT、乳酸和APACHEⅡ评分是老年脓毒症患者28 d预后的独立危险因素(P<0.05或0.01)。CLR的预测价值明显高于NLR和PCT(95%CI=0.036~0.142、0.005~0.144,P<0.05或0.01),CLR+PCT的预测价值明显高于NLR+PCT(95%CI=0.006~0.092,P<0.05)。

结论

对于老年脓毒症患者预后的短期预测,CLR较PCT更具优势,两者联合预测价值更大。

Objective

To investigate the predictive value of neutrophil/lymphocyte ratio (NLR) and C-reactive protein/lymphocyte ratio (CLR) for 28-day mortality in elderly patients with sepsis.

Methods

A total of 330 elderly patients with sepsis admitted to Zhejiang Hospital from January 2017 to January 2021 were selected, and their general information, clinical examination indicators, and survival after 28 days of follow-up were collected. Univariate analysis (including t test, rank sum test and χ2 test) was used to compare various indicators of patients in the survival group and the death group. Logistic regression was used to analyze independent risk factors of death at 28 days. Receiver operating characteristic (ROC) curve was drawn, and area under the curve (AUC) was used to evaluate the prognostic value of relevant indicators.

Results

There were 177 patients in the survival group and 153 in the death group. There were statistically significant differences in acutephysiologyandchron-icheadlthevaluation (APACHEⅡ) score, albumin, proportion of renal dysfunction, procalcitonin (PCT), C-reactive protein, lactic acid, NLR, CLR, and C-reactive protein/albumin ratio (CAR) between the two groups (t=-19.345, 2.765; χ2=4.905; Z=-7.672, -8.118, -5.826, -7.209, -9.992, -8.354; P < 0.05 or P < 0.01). NLR, CLR, PCT, lactic acid and APACHEⅡ scores were independent risk factors for 28-day prognosis in elderly patients with sepsis (P < 0.05 or P < 0.01). The predictive value of CLR was significantly higher than that of NLR and PCT (95%CI=0.036-0.142, 0.005-0.144; P < 0.05 or P < 0.01), and the predictive value of CLR+PCT was significantly higher than that of NLR+PCT (95%CI=0.006-0.092, P < 0.05).

Conclusion

For prediction of short-term prognosis in elderly sepsis patients, CLR has an advantage over PCT, and the combination of the two has greater predictive value.

表1 两组患者临床资料的比较[±s或例或MP25P75)]
组别 例数 年龄(岁) 男/女(例) APACHEⅡ评分 感染部位
呼吸系统 消化系统 泌尿系统 皮肤/软组织 导管相关 其他
存活组 177 83.1±9.9 134/43 20.53±2.91 85 16 23 8 25 20
死亡组 153 84.6±9.3 101/52 27.50±3.64 89 22 11 6 16 9
检验值   t=-1.440 χ2=3.761 t=-19.345 χ2=3.390 χ2=2.296 χ2=2.992 χ2=0.072 χ2=1.014 χ2=3.004
P   >0.05 >0.05 <0.01 >0.05 >0.05 >0.05 >0.05 >0.05 >0.05
组别 例数 基础疾病 白细胞(×109/L) 血红蛋白(g/L) 白蛋白(g/L)
糖尿病 高血压 肝功能不全 肾功能不全 心血管疾病 脑血管疾病
存活组 177 73 124 21 48 95 110 14.88±8.11 90.49±22.40 30.53±4.20
死亡组 153 59 108 19 59 89 82 14.89±8.12 87.25±22.19 29.26±4.12
检验值   χ2=0.246 χ2=0.011 χ2=0.024 χ2=4.905 χ2=0.673 χ2=2.467 t=-0.002 t=1.316 t=2.765
P   >0.05 >0.05 >0.05 <0.05 >0.05 >0.05 >0.05 >0.05 <0.01
组别 例数 降钙素原(ng/mL) C反应蛋白(mg/L) 乳酸(mmol/L) NLR PLR CLR CAR
存活组 177 3.67(1.17,12.82) 71.67(39.54,113.22) 2.40(1.50,3.35) 16.27(8.00,24.84) 208.33(109.38,356.88) 98.35(42.16,179.16) 2.31(1.32,3.78)
死亡组 153 10.94(7.16,32.70) 132.29(83.61,200.00) 3.40(2.30,5.30) 29.00(15.55,51.17) 240.00(116.41,400.00) 314.65(174.42,638.88) 4.93(2.85,6.98)
检验值   Z=-7.672 Z=-8.118 Z=-5.826 Z=-7.209 Z=-0.938 Z=-9.992 Z=-8.354
P   <0.01 <0.01 <0.01 <0.01 >0.05 <0.01 <0.01
表2 老年脓毒症患者28 d死亡危险因素分析
图1 NLR、CLR和PCT预测老年脓毒症患者28 d预后的ROC曲线注:NLR为中性粒细胞与淋巴细胞比值;CLR为C反应蛋白与淋巴细胞比值;PCT为降钙素原;ROC曲线为受试者工作特征曲线
表3 各因素对老年脓毒症患者28 d预后的预测价值
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