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the proportions. NOMOGRAM FOR DETERMINING VALIDITY OF TEST ITEMS J. N. ARNOLD Purdue University In the Division of Educational Reference at Purdue University the validity of test items against the criterion ...
were used to test the performance of nine different predictive algorithms. Then, the construction of a graphic tool was proposed.ResultsData were available for 176 patients. Only three items had a FCBF ...
models exist for the risk of depression in hypertensive patients. This study used the National Health and Nutrition Examination Survey (NHANES) database to develop and validate a nomogram for predicting ...
, and 75.0%, 89.0% and 86.9% in the internal validation group, respectively. The risk predictions of the nomogram showed good consistency with the actual observed results, and the Hosmer-Lemeshow test yielded ...
, the validity of a nomogram such as this would be accepted at face value. However, although the underlying mathematics is sound, the authors elected to test the nomogram on a set of randomly generated data ...
nomogram model could help guide decisions about p-TACE, but it needs further validation . Introduction Hepatocellular carcinoma is the sixth most common cancer globally, and approximately 850,000 patients ...
prognostic variable. A Univariate survival analysis was performed for OS using the Kaplan–Meier method, and these factors were compared using the log-rank test (P < 0.05). The nomogram was created ...
with bootstrapping and internal-externally validated using a validation cohort. Nomograms that could be used easily in clinical practice were also created. Results The derivation cohort included 19,746 cases admitted ...
to nomogram prediction model in the validation group by Delong test . Moreover, models based on the SOFA score were conducted in training group, the AUCs of the models were compared to nomogram prediction model ...
Abstract Background Lymph node status is crucial in determining the prognosis for early oesophageal squamous cell carcinoma (SCC). This study aimed to develop and validate a nomogram ...
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