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中性粒细胞与淋巴细胞和血小板比值(NLPR)对乙型肝炎肝硬化腹水患者再代偿的预测价值及列线图模型构建

鲜美玲 陈洁 徐华谦 汤善宏

引用本文:
Citation:

中性粒细胞与淋巴细胞和血小板比值(NLPR)对乙型肝炎肝硬化腹水患者再代偿的预测价值及列线图模型构建

DOI: 10.12449/JCH251120
基金项目: 

西部战区总医院院管课题 (2024-YGLC-B05)

伦理学声明:本研究方案于2024年1月15日经由中国人民解放军西部战区总医院伦理委员会审批,批号:2023EC5-ky035。
利益冲突声明:本文不存在任何利益冲突。
作者贡献声明:鲜美玲负责研究设计,数据收集与分析,撰写论文;陈洁、徐华谦负责数据收集与分析,修改论文;汤善宏负责研究设计与把控,并最终定稿。
详细信息
    通信作者:

    汤善宏, tangshanhong@swjtu.edu.cn (ORCID: 0000-0001-6652-2942)

Value of neutrophil-to-lymphocyte and platelet ratio in predicting recompensation in patients with hepatitis B cirrhotic ascites and establishment of a nomogram model

Research funding: 

Project of the General Hospital of Western Theater Comm (2024-YGLC-B05)

More Information
  • 摘要:   目的  探索中性粒细胞与淋巴细胞和血小板比值(NLPR)与乙型肝炎肝硬化腹水患者再代偿的关系,并构建个体化风险预测模型。  方法  选取2015年1月—2022年12月于中国人民解放军于西部战区总医院消化内科住院的乙型肝炎肝硬化腹水患者,收集患者一般资料和实验室指标,计算NLPR。计量资料两组间比较采用成组t检验或Mann-Whitney U检验;计数资料两组间比较采用χ2检验或校正χ2检验。将研究对象按7∶3比例随机分为训练集与验证集。在训练集中,通过单因素和多因素二元Logistic回归分析乙型肝炎肝硬化腹水患者再代偿的独立影响因素,构建列线图。采用受试者操作特征曲线(ROC曲线)评价新模型对乙型肝炎肝硬化腹水患者再代偿的预测价值,ROC曲线下面积(AUC)的比较采用Delong检验。绘制所构建模型的校准曲线与决策曲线,判断模型拟合程度与预测收益。  结果  本研究共纳入360例患者,其中发生再代偿患者134例。训练集患者252例,验证集患者108例,两组患者基线特征差异均无统计学意义(P值均>0.05)。Logistic回归分析发现,发生肝性脑病(OR=0.066,95%CI:0.008~0.545,P=0.012)、NLPR(OR=0.950,95%CI:0.912~0.989,P=0.012)、AFP(OR=1.012,95%CI:1.005~1.020,P<0.001)和Alb(OR=1.096,95%CI:1.031~1.166,P=0.003)是乙型肝炎肝硬化腹水患者再代偿的独立影响因素。将上述4项因素纳入列线图预测模型,训练集中列线图模型的AUC为0.776,敏感度为66.5%,特异度为76.3%,验证集中列线图模型的AUC为0.746,敏感度为63.4%,特异度为75.7%;而MELD(终末期肝病模型)评分、Child-Pugh评分、ALBI(白蛋白-胆红素)评分的AUC分别为0.574、0.628、0.621。列线图模型对乙型肝炎肝硬化腹水患者再代偿的预测效能优于其他评分(Z值分别为4.191、3.369、3.527,P值分别为<0.001、0.001、<0.001)。校准曲线与决策曲线显示该模型拟合度较好,通过此模型作出的决策可带来净收益。  结论  NLPR在预测乙型肝炎肝硬化腹水患者发生再代偿中具有一定的价值,建立的列线图模型有助于临床预测该部分患者再代偿的发生。

     

  • 图  1  列线图模型

    Figure  1.  The nomogram model

    注: a,训练集;b,验证集。

    图  2  训练集和验证集模型的ROC曲线

    Figure  2.  ROC curves of the model in the training set and validation set

    注: a,训练集;b,验证集。

    图  3  训练集和验证集模型的校准曲线

    Figure  3.  The calibration curves of training set and validation set

    注: a,训练集;b,验证集。

    图  4  训练集和验证集模型的决策曲线

    Figure  4.  Decision curves of the model for the training set and validation set

    表  1  不同NLPR组间的临床资料比较

    Table  1.   Comparison of clinical data between different NLPR groups

    项目 低NLPR组(n=207) 高NLPR组(n=153) 统计值 P
    年龄(岁) 53.0(45.0~62.0) 50.0(45.0~59.8) Z=-0.835 0.403
    男[例(%)] 149(71.98) 117(76.47) χ2=0.919 0.338
    消化道出血[例(%)] 41(19.81) 40(26.14) χ2=2.026 0.155
    肝性脑病[例(%)] 22(10.63) 31(20.26) χ2=6.503 0.011
    腹水程度分级[例(%)] χ2=5.362 0.068
    1级 57(27.54) 34(22.22)
    2级 133(64.25) 95(62.09)
    3级 17(8.21) 24(15.69)
    再代偿[例(%)] 101(48.79) 33(21.57) χ2=27.903 <0.001
    WBC(×109/L) 4.200(2.845~6.555) 4.695(2.963~7.133) Z=-1.900 0.057
    PLT(×109/L) 73.0(53.5~102.0) 41.0(30.0~56.8) Z=-9.872 <0.001
    Neu(×109/L) 2.59(1.78~4.44) 3.75(2.10~5.86) Z=-4.248 <0.001
    Lym(×109/L) 0.86(0.66~1.16) 0.52(0.38~0.70) Z=-9.550 <0.001
    Mono(×109/L) 0.36(0.23~0.58) 0.31(0.19~0.57) Z=-1.383 0.167
    PT(s) 15.0(13.3~18.3) 15.7(14.1~20.2) Z=-2.580 0.010
    INR 1.35(1.18~1.63) 1.41(1.25~1.78) Z=-2.787 0.005
    AFP(ng/mL) 13.31(3.83~52.12) 5.59(2.63~18.51) Z=-3.055 0.002
    Alb(g/L) 31.97±5.40 31.90±5.62 t=0.107 0.915
    ALP(U/L) 132.6(94.4~179.2) 110.7(78.5~155.1) Z=-2.247 0.025
    ALT(U/L) 65.2(35.4~211.0) 43.9(27.3~97.9) Z=-2.959 0.003
    TBil(μmol/L) 48.7(24.9~240.1) 54.5(33.6~260.3) Z=-2.237 0.025
    Scr(μmol/L) 74.0(61.1~94.2) 67.6(56.3~85.8) Z=-1.762 0.078
    下载: 导出CSV

    表  2  乙型肝炎肝硬化腹水患者训练集与验证集临床资料比较

    Table  2.   Comparison of clinical data between the training set and validation set

    项目 训练集(n=252) 验证集(n=108) 统计值 P
    年龄(岁) 51.0(45.0~61.8) 53.0(45.0~59.0) Z=-0.008 0.993
    男性[例(%)] 192(76.19) 74(68.52) χ2=2.306 0.129
    消化道出血[例(%)] 62(24.60) 19(17.59) χ2=2.131 0.144
    肝性脑病[例(%)] 37(14.68) 16(14.81) χ2=0.001 0.974
    腹水深度分级[例(%)] χ2=2.296 0.317
    1级 72(28.57) 23(21.30)
    2级 146(57.94) 71(65.74)
    3级 34(13.49) 14(12.96)
    再代偿[例(%)] 97(38.49) 37(34.26) χ2=0.580 0.446
    WBC(×109/L) 4.00(2.81~6.78) 4.48(3.01~7.55) Z=-1.549 0.121
    PLT(×109/L) 58.0(41.0~86.0) 54.0(38.0~82.8) Z=-0.603 0.546
    Neu(×109/L) 2.74(1.85~4.89) 3.10(1.98~5.64) Z=-1.399 0.162
    Lym(×109/L) 0.72(0.50~0.99) 0.70(0.50~1.07) Z=-0.691 0.490
    Mono(×109/L) 0.34(0.20~0.57) 0.35(0.24~0.58) Z=-0.930 0.353
    NLPR 7.373(4.056~14.208) 7.415(4.352~13.627) Z=-0.291 0.771
    PT(s) 15.40(13.70~19.08) 15.35(13.50~18.58) Z=-0.278 0.781
    INR 1.39(1.23~1.71) 1.37(1.19~1.66) Z=-0.272 0.786
    AFP(ng/mL) 7.43(2.99~39.61) 9.40(3.52~31.33) Z=-0.026 0.979
    Alb(g/L) 31.89±5.49 32.03±5.63 t=-0.223 0.824
    ALP(U/L) 122.9(90.2~169.4) 116.8(84.5~171.6) Z=-0.748 0.454
    ALT(U/L) 56.0(32.4~151.8) 48.9(31.6~185.9) Z=-0.085 0.932
    TBil(μmol/L) 50.9(28.4~269.7) 49.2(29.1~222.3) Z=-0.142 0.887
    Scr(μmol/L) 72.4(61.0~93.0) 72.0(59.4~90.1) Z=-0.664 0.507
    Child-Pugh评分(分) 9(7~12) 9(7~12) Z=-0.745 0.457
    MELD评分(分) 8.947(7.108~12.945) 8.862(7.103~13.569) Z=-0.247 0.805
    ALBI评分(分) -1.401(-1.944~-0.976) -1.427(-2.026~-1.059) Z=-0.222 0.825
    下载: 导出CSV

    表  3  乙型肝炎肝硬化腹水患者发生再代偿Logistic回归分析

    Table  3.   Logistic regression analysis of the occurrence of recompensation in patients with hepatitis B cirrhosis ascites

    项目 单因素分析 多因素分析
    β OR(95%CI P β OR(95%CI P
    发生肝性脑病 -3.369 0.034(0.005~0.256) <0.001 -2.719 0.066(0.008~0.545) 0.012
    NLPR -0.055 0.946(0.914~0.980) 0.002 -0.052 0.950(0.912~0.989) 0.012
    PT -0.094 0.910(0.859~0.964) 0.001
    INR -1.081 0.339(0.177~0.649) 0.001
    AFP 0.006 1.006(1.002~1.010) 0.006 0.012 1.012(1.005~1.020) <0.001
    Alb 0.081 1.084(1.032~1.139) 0.001 0.092 1.096(1.031~1.166) 0.003
    TBil -0.002 0.998(0.996~0.999) 0.009
    下载: 导出CSV
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