05 was considered statistically significant. All statistical tests were 2-tailed and P <. 11 During the external validation of the nomogram, the total points of each patient in the validation cohort were calculated according to the established nomogram, then logistic regression in this cohort was performed using the total points as a factor, and finally, the AUC and calibration curve were derived based on the regression analysis. The larger the AUC, the more accurate was the prognostic prediction. To evaluate the predictive value of this model, accuracy and the area under the curve (AUC) from a ROC curve analysis was calculated. Clinical utility of this nomogram was assessed by calibration curve and decision curve analysis (DCA).
10 Goodness of fit of this nomogram was tested by the Hosmer–Lemeshow test. A nomogram was formulated based on the results of multivariate analysis and by using the package of rms in R version 4.1.2. Univariate and multivariate logistic regression were used to identify risk factors, and the continuous variables finally included in the regression equation were transformed into classified variables. All subjects Allied Health Cardiology & Cardiovascular Medicine Dentistry Emergency Medicine & Critical Care Endocrinology & Metabolism Environmental Science General Medicine Geriatrics Infectious Diseases Medico-legal Neurology Nursing Nutrition Obstetrics & Gynecology Oncology Orthopaedics & Sports Medicine Otolaryngology Palliative Medicine & Chronic Care Pediatrics Pharmacology & Toxicology Psychiatry & Psychology Public Health Pulmonary & Respiratory Medicine Radiology Research Methods & Evaluation Rheumatology Surgery Tropical Medicine Veterinary Medicine Cell Biology Clinical Biochemistry Environmental Science Life Sciences Neuroscience Pharmacology & Toxicology Biomedical Engineering Engineering & Computing Environmental Engineering Materials Science Anthropology & Archaeology Communication & Media Studies Criminology & Criminal Justice Cultural Studies Economics & Development Education Environmental Studies Ethnic Studies Family Studies Gender Studies Geography Gerontology & Aging Group Studies History Information Science Interpersonal Violence Language & Linguistics Law Management & Organization Studies Marketing & Hospitality Music Peace Studies & Conflict Resolution Philosophy Politics & International Relations Psychoanalysis Psychology & Counseling Public Administration Regional Studies Religion Research Methods & Evaluation Science & Society Studies Social Work & Social Policy Sociology Special Education Urban Studies & Planning BROWSE JOURNALS
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