临床研究
Copyright ©The Author(s) 2025.
世界华人消化杂志. 2025-03-28; 33(3): 199-206
在线出版 2025-03-28. doi: 10.11569/wcjd.v33.i3.199
表1 肝硬化患者发生院内感染的单因素分析
感染组未感染组χ2P
年龄6.6610.010
<60岁17(26.56)63(45.65)
≥60岁47(73.44)75(54.35)
性别1.5900.207
47(73.44)89(64.49)
17(26.56)49(35.51)
住院时间6.6380.010
<14 d28(43.75)87(63.04)
≥14 d36(56.25)51(36.96)
基础病因1.6610.197
病毒性肝炎53(82.81)103(74.64)
其他11(17.19)35(25.36)
肝硬化病程0.2130.645
<5年37(57.81)75(54.35)
≥5年27(42.19)63(45.65)
Child-Pugh分级29.678<0.001
A4(6.25)37(26.81)
B23(35.94)72(52.17)
C37(57.81)29(21.01)
糖尿病0.5710.450
49(76.56)112(81.16)
15(23.44)26(18.84)
心血管疾病0.4010.527
48(75.00)109(78.99)
16(25.00)29(21.01)
慢性肺部疾病0.0020.969
59(92.19)127(92.03)
5(7.81)11(7.97)
肝性脑病9.9920.002
45(70.31)122(88.41)
19(29.69)16(11.59)
腹水14.411<0.001
6(9.38)48(34.78)
58(90.63)90(65.22)
消化道出血0.0050.943
47(73.44)102(73.91)
17(26.56)36(26.09)
ALB6.5980.010
<30 g/L43(67.19)66(47.83)
≥30 g/L21(32.81)72(52.17)
预防性使用抗菌药物33.920<0.001
42(65.63)32(23.19)
22(34.38)106(76.81)
侵入性操作16.418<0.001
14(21.88)72(52.17)
50(78.13)66(47.83)
表2 肝硬化患者发生院内感染的多因素分析
回归系数标准误瓦尔德POR(95%CI)
年龄
<60岁Reference
≥60岁1.3070.4518.4030.0043.696(1.527-8.945)
住院时间
<14 dReference
≥14 d1.0330.4245.9510.0152.811(1.225-6.448)
Child-Pugh分级
AReference
B1.2540.6753.4530.0633.503(0.934-13.144)
C2.8270.71115.800<0.00116.894(4.191-68.092)
腹水
Reference
1.9140.57111.2200.0016.778(2.212-20.768)
预防性使用抗菌药物
Reference
-1.9160.42620.222<0.0010.147(0.064-0.339)
侵入性操作
Reference
1.4760.44610.9730.0014.376(1.827-10.482)
表3 10种机器学习模型构建肝硬化患者发生院内感染的性能评估
AUC(95%CI)准确率精确率召回率F1-score
Logistic0.889(0.845-0.933)0.7380.550.9530.697
SVM0.892(0.848-0.935)0.7430.5560.9380.698
GBM0.885(0.838-0.932)0.7520.5690.9060.699
NeuralNetwork0.889(0.844-0.933)0.7820.6160.8280.707
RandomForest0.821(0.762-0.881)0.8370.9150.6720.775
Xgboost0.882(0.832-0.932)0.7620.580.9060.707
KNN0.928(0.894-0.963)0.8510.750.7970.773
Adaboost0.806(0.741-0.871)0.7920.7040.5940.644
LightGBM0.948(0.920-0.975)0.8760.6870.8910.776
CatBoost0.874(0.826-0.921)0.7720.5980.8590.705

引文著录: 顾晓菲, 梁晓洁, 董金玲. 基于机器学习构建肝硬化患者院内感染风险预测模型. 世界华人消化杂志 2025; 33(3): 199-206