腫瘤標志物預(yù)測孤立性肺結(jié)節(jié)惡性概率模型的建立與初步評價
[Abstract]:Objective to establish a mathematical model to predict the malignant probability of solitary pulmonary nodules (SPN) by using tumor markers and to evaluate its clinical value. Methods the age, sex, smoking history, symptoms, maximum diameter of nodules, location and pathology of nodules, and serum carcinoembryonic antigen (CEA),) cytokeratin 19 fragment antigen (CYFRA21-1) were studied in 250 patients with SPN. The level of neuron-specific enolase (NSE) was screened by two-class Logistic regression and the Logistic regression model was established. To evaluate the accuracy of the model by drawing the operating characteristic curve (ROC) and calculating the area under the curve (AUC), and comparing with Mayo model to evaluate the clinical value of the model. Results CEA (P0. 002) 5.921 ~ 95CII = 1. 968 ~ 17. 819), CYFRA21-1 (P0. 046) ~ 2.500 ~ 95 ~ 95 CI = 1.018 ~ 6. 142), symptoms (P ~ 0. 010 OR2. 384 ~ 95), nodule maximum diameter (P ~ 0. 001, P ~ 0. 001), nodule diameter (P ~ 0. 001, P ~ 0. 001), symptom (P ~ 0. 010 ~ 0. 010 OR2. 384 ~ 95 CI = 1. 234 ~ 4.607). OR=2.331,95%CI=1.441~3.773) is associated with benign and malignant SPN. The prediction model was established as follows: P=ex/ (1 ex), XML-1.991 0.869 脳 symptom 0.846 脳 CEA 0.916 脳 CYFRA21-1;) fitted well with Hosmer-Lemeshow test model (P0. 691); When the cut-off point was 0.636, the sensitivity was 63.5 and the specificity was 71.2; The predictive model (AUC:0.734 鹵0.033) was compared with the Mayo model (AUC:0.792 鹵0.047) recommended by the guidelines. The difference was not statistically significant (P0.05). Conclusion CEA,CYFRA21-1, symptoms and the maximum diameter of nodules are independent risk factors for malignant SPN, and the Logistic regression model established from this model has high accuracy and good clinical value.
【作者單位】: 濱州醫(yī)學(xué)院煙臺附屬醫(yī)院呼吸內(nèi)科;濱州醫(yī)學(xué)院煙臺附屬醫(yī)院統(tǒng)計室;煙臺毓璜頂醫(yī)院血管外科;大連醫(yī)科大學(xué)附屬第二醫(yī)院呼吸內(nèi)科;
【分類號】:R734.2
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