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中华实验和临床感染病杂志(电子版) ›› 2023, Vol. 17 ›› Issue (04) : 260 -266. doi: 10.3877/cma.j.issn.1674-1358.2023.04.007

论著

轮状病毒阳性肠炎并发惊厥危险因素及相关预测模型构建
徐双云(), 汪佩林, 卫志文   
  1. 230011 合肥市,合肥市第二人民医院儿科
  • 收稿日期:2022-08-16 出版日期:2023-08-15
  • 通信作者: 徐双云
  • 基金资助:
    合肥市卫生健康应用医学研究项目(No. hwk2019zc019)

Risk factors of rotavirus enteritis complicated with convulsions and construction of related predictive models

Shuangyun Xu(), Peilin Wang, Zhiwen Wei   

  1. Department of Pediatrics, Second People’s Hospital of Hefei, Hefei 230011, China
  • Received:2022-08-16 Published:2023-08-15
  • Corresponding author: Shuangyun Xu
引用本文:

徐双云, 汪佩林, 卫志文. 轮状病毒阳性肠炎并发惊厥危险因素及相关预测模型构建[J]. 中华实验和临床感染病杂志(电子版), 2023, 17(04): 260-266.

Shuangyun Xu, Peilin Wang, Zhiwen Wei. Risk factors of rotavirus enteritis complicated with convulsions and construction of related predictive models[J]. Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition), 2023, 17(04): 260-266.

目的

探讨轮状病毒性肠炎并发惊厥的危险因素并构建相关预测模型,为轮状病毒肠炎患者治疗和惊厥预防提供理论依据。

方法

回顾性选取2019年1月至2021年2月合肥市第二人民医院收治的80例轮状病毒性肠炎患儿为研究对象,根据患儿入院治疗期间是否发生惊厥分为惊厥组(18例)和非惊厥组(62例)。对轮状病毒性肠炎并发惊厥的危险因素进行单因素和多因素Logistic回归分析,并构建相关预测模型。

结果

与非惊厥组患儿相比,惊厥组患儿的既往惊厥史(66.67% vs. 30.65%)、发热(72.22% vs. 38.71%)、肌酸激酶同工酶(CK-MB) [(71.59 ± 19.34)IU/L vs.(32.71 ± 9.26)IU/L]、血钠[(65.10 ± 14.05)mmol/L vs.(138.60 ± 30.16)mmol/L]、血钙[(1.20 ± 0.26)mmol/L vs. (2.46 ± 0.50)mmol/L]、血糖[(2.05 ± 0.42)mmol/L vs. (4.90 ± 1.03)mmol/L]、标准碳酸氢盐(SB) [(11.40 ± 3.21)mmol/L vs. (20.50 ± 4.80)mmol/L]、实际碳酸氢盐(AB) [(10.80 ± 2.40)mmol/L vs. (18.80 ± 4.04)mmol/L]、二氧化碳结合力(CO2CP) [(9.11 ± 2.05)mmol/L vs. (17.15 ± 3.20)mmol/L]和血pH[(8.25 ± 1.10)vs.(7.08 ± 0.70)]差异均有统计学意义(χ2 = 7.626、P = 0.006,χ2 = 6.224、P = 0.013,t = 11.880、P < 0.001,t = 9.995、P < 0.001,t = 10.260、P < 0.001,t = 11.420、P < 0.001,t = 7.550、P < 0.001,t = 7.980、P < 0.001,t = 10.050、P < 0.001,t = 5.433、P < 0.001)。多因素Logistic回归分析结果显示,发热(OR = 1.600、95%CI:1.220~2.705、P < 0.001)、血钠(OR = 7.920、95%CI:4.10~11.100、P < 0.001)、血钙(OR = 6.566、95%CI:3.706~10.970、P < 0.001)、血糖(OR = 10.549、95%CI:7.710~16.570、P < 0.001)、CK-MB(OR = 0.540、95%CI:0.790~0.920、P < 0.001)和CO2CP(OR = 6.024、95%CI:2.303~10.949、P < 0.001)均为轮状病毒性肠炎并发惊厥的独立影响因素,差异均有统计学意义。应用Hosmer-Leme-show Test检验评价该预测模型的校准度,拟合方程与真实方程间差异无统计学意义(χ2 = 6.039、P = 0.570),模型拟合度好;受试者工作特征曲线(ROC)曲线下面积为0.817(95%CI:0.767~0.868),灵敏度和特异度分别为91.80%和88.00%。

结论

发热、血钠、血钙、血糖、CK-MB和CO2CP是轮状病毒性肠炎并发惊厥的独立影响因素,据此构建的预测模型拟合度好,有较高的预测价值。

Objective

To investigate the risk factors of rotavirus enteritis complicated with convulsions and construct related prediction models, and to provide theoretical basis for the treatment of patients with enteritis and the prevention of convulsions.

Methods

Total of 80 children with rotavirus enteritis admitted to Second People’s Hospital of Hefei from January 2019 to February 2021 were selected, retrospectively. They were divided into convulsion group (18 cases) and non-convulsion group (62 cases) according to whether the children had convulsions during hospitalization. Single factor and multiple factor Logistic regression analysis were conducted to analyze the risk factors of rotavirus enteritis complicated with convulsion, and related prediction models were constructed.

Results

The children in convulsion group had a history of previous seizures (66.67% vs. 30.65%), fever (72.22% vs. 38.71%), creatine kinase isoenzyme (CK-MB) [(71.59 ± 19.34) IU/L vs. (32.71 ± 9.26) IU/L], blood sodium [(65.10 ± 14.05) mmol/L vs. (138.60 ± 30.16) mmol/L], blood calcium [(1.20 ± 0.26) mmol/L vs. (2.46 ± 0.50) mmol/L], blood glucose [(2.05 ± 0.42) mmol/L vs. (4.90 ± 1.03) mmol/L], standard bicarbonate (SB) [(11.40 ± 3.21) mmol/L vs. (20.50 ± 4.80) mmol/L], actual bicarbonate (AB) [(10.80 ± 2.40) mmol/L vs. (18.80 ± 4.04) mmol/L], carbon dioxide binding capacity (CO2CP) [(9.11 ± 2.05) mmol/L vs. (17.15 ± 3.20) mmol/L], blood pH [(8.25 ± 1.10) vs. (7.08 ± 0.70)], the difference were all significantly different (χ2 = 7.626, P = 0.006; χ2 = 6.224, P = 0.013; t = 11.880, P < 0.001; t = 9.995, P < 0.001; t = 10.260, P < 0.001; t = 11.420, P < 0.001; t = 7.550, P < 0.001; t = 7.980, P < 0.001; t = 10.050, P < 0.001; t = 5.433, P < 0.001). Multivariate Logistic regression analysis showed that fever (OR = 1.600, 95%CI: 1.220-2.705, P < 0.001), serum sodium (OR = 7.920, 95%CI: 4.10-11.100, P < 0.001), serum calcium (OR = 6.566, 95%CI: 3.706-10.970, P < 0.001), blood sugar (OR = 10.549, 95%CI: 7.710-16.570, P < 0.001), CK-MB (OR = 0.540, 95%CI: 0.790-0.920, P < 0.001), and CO2CP (OR = 6.024, 95%CI: 2.303-10.949, P < 0.001) were all independent influencing factors for rotavirus enteritis complicated by convulsions, the differences were statistically significant. The Hosmer-Leme-show Test was applied to evaluate the calibration of this prediction model, and the result showed there was no significant difference between the fitted equation and the true equation (χ2 = 6.039, P = 0.570) with good fitting degree; the area under the receiver operating characteristic (ROC) curve was 0.817 (95%CI: 0.767-0.868), the sensitivity and specificity were 91.80% and 80.00%, respectively.

Conclusions

Fever, blood sodium, blood calcium, blood glucose, CK-MB and CO2CP are all independent influencing factors of convulsion in rotavirus enteritis. The prediction model based on these factors has good fitting degree and high predictive value.

表1 轮状病毒性肠炎惊厥组和非惊厥组患儿临床特征和实验室指标
项目 惊厥组(18例) 非惊厥组(62例) 统计量 P
性别[例(%)]     χ2 = 0.287a 0.592
12(66.67) 37(59.68)    
6(33.33) 25(40.32)    
月龄( ± s 13.19 ± 2.58 14.08 ± 2.72 t = 1.236 0.220
家族史[例(%)]        
3(16.67) 6(9.68) χ2 = 0.162b 0.687
15(83.33) 56(90.32)
既往惊厥史[例(%)]        
12(66.67) 19(30.65) χ2 = 7.626a 0.006
6(33.33) 43(69.35)
临床特征        
发热[例(%)]     χ2 = 6.224a 0.013
13(72.22) 24(38.71)    
5(27.78) 38(61.29)    
脱水[例(%)]     χ2 = 0.575b 0.448
17(94.44) 52(83.87)    
1(5.56) 10(16.13)    
呕吐次数( ± s 6.54 ± 1.82 6.79 ± 1.75 t = 0.529 0.598
腹泻次数( ± s 12.09 ± 3.24 11.87 ± 3.14 t = 0.260 0.796
实验室指标( ± s        
ALT(IU/L) 36.20 ± 10.05 31.90 ± 9.25 t = 1.703 0.093
AST(IU/L) 47.80 ± 10.14 44.60 ± 11.00 t = 1.105 0.273
CK-MB(IU/L) 71.59 ± 19.34 32.71 ± 9.26 t = 11.880 < 0.001
LDH(IU/L) 338.25 ± 70.10 314.80 ± 69.44 t = 1.259 0.212
血钠(mmol/L) 65.10 ± 14.05 138.60 ± 30.16 t = 9.995 < 0.001
血钾(mmol/L) 4.12 ± 0.54 4.28 ± 0.60 t = 1.017 0.312
血钙(mmol/L) 1.20 ± 0.26 2.46 ± 0.50 t = 10.260 < 0.001
镁(mmol/L) 0.68 ± 0.18 0.74 ± 0.20 t = 1.144 0.256
血氯(mmol/L) 94.30 ± 25.20 98.02 ± 24.20 t = 0.569 0.571
血乳酸(mmol/L) 2.06 ± 0.63 2.14 ± 0.60 t = 0.493 0.624
血糖(mmol/L) 2.05 ± 0.42 4.90 ± 1.03 t = 11.420 < 0.001
SB(mmol/L) 11.40 ± 3.21 20.50 ± 4.80 t = 7.550 < 0.001
AB(mmol/L) 10.80 ± 2.40 18.80 ± 4.04 t = 7.980 < 0.001
CO2CP(mmol/L) 9.11 ± 2.05 17.15 ± 3.20 t = 10.050 < 0.001
血pH 8.25 ± 1.10 7.96 ± 0.70 t = 5.433 < 0.001
表2 轮状病毒性肠炎并发惊厥影响因素赋值
表3 轮状病毒性肠炎并发惊厥影响因素的多因素Logistic回归分析
图1 轮状病毒性肠炎并发惊厥预测模型的ROC曲线
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