Background: Only a small proportion of patients with compensated advanced chronic liver disease (cACLD) had varices needing treatment (VNT) after recommended esophagogastroduodenoscopy (EGD) screening. We aimed to create a non-invasive nomogram based on routine tests to detect VNT in cACLD patients.
Methods: The training cohort included 162 cACLD patients undergoing EGD in a university hospital, between January 2014 and September 2019. A nomogram was developed based on the independent predictors of VNT, selected using a multivariate logistic regression analysis. Thirty-three patients from eight university hospitals were prospectively enrolled as validation cohort between December 2018 and December 2019.
Results: The prevalence of VNT was 32.7% (53/162) and 39.4% (13/33) in training and validation cohorts, respectively. The univariate analysis identified six risk factors for VNT. On the multivariate analysis, four of them, i.e., gallbladder wall thickness (odds ratio [OR]: 1.23; 95% confidence interval [CI]: 0.98-1.56), spleen diameter (OR: 1.02; 95% CI: 1.00-1.04), platelet count (OR: 0.98; 95% CI: 0.97-0.99), and international normalized ratio (OR: 0.58; 95% CI: 0.06-5.84) were independently associated with VNT. Thus, a nomogram based on the four above - mentioned variables was developed, and showed a favorable performance for detecting VNT, with an area under receiver operating characteristic curve of 0.848 (95% CI: 0.769-0.927) in training cohort. By applying a cut-off value of 105 in validation cohort, 31.0% of EGD were safely spared with 3.4% of missed VNT.
Conclusion: A nomogram based on routine clinical parameters was developed for detecting VNT and avoiding unnecessary EGD in cACLD patients.
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| http://dx.doi.org/10.4103/sjg.sjg_22_21 | DOI Listing |
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