2015
DOI: 10.1016/j.lungcan.2015.05.015
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Critique of Al-Ameri et al. (2015) – Risk of malignancy in pulmonary nodules: A validation study of four prediction models

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Cited by 8 publications
(4 citation statements)
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“…We thank Perandini et al for their comments regarding our recently published data and the interest they have shown in our work [1,2]. We agree with some of the points they raise, although disagree with some of their comments regarding our conclusions, and also in their interpretation of the American College of Chest Physicians (ACCP) 2013 guidelines [3] for the management of pulmonary nodules.…”
Section: Contents Lists Available At Sciencedirectmentioning
confidence: 62%
“…We thank Perandini et al for their comments regarding our recently published data and the interest they have shown in our work [1,2]. We agree with some of the points they raise, although disagree with some of their comments regarding our conclusions, and also in their interpretation of the American College of Chest Physicians (ACCP) 2013 guidelines [3] for the management of pulmonary nodules.…”
Section: Contents Lists Available At Sciencedirectmentioning
confidence: 62%
“…A ROC curve is designed as a discriminator, to illustrate the diagnostic ability of a binary classifier system and return an optimal threshold value (25). However, pulmonary nodule risk assessment is not a simple binary classification; often a three-class classifying system, based on malignancy risk thresholds, is recommended (26). Based on the result of using thresholds, only 28 (13.5%), 2 (1.0%), and 32 (15.5%) out of 207 malignancies were predicted above the surgical threshold using the Mayo, Brock and VA models, respectively.…”
Section: Discussionmentioning
confidence: 99%
“…Our study has limitations of which the most important one refers to the use of ROC statistics to evaluate the performance of clinical decision rules. As pointed out by Perandini et al, referring to the validation study of four prediction rules, ROC analysis is designed to estimate the performance of a binary classifier system and to determine an optimal threshold value to be used as discriminator [ 19 ]. The risk estimation systems tested in our study, however, use either a continuous scale (the PanCan model) or multiple categorical thresholds (Lung-RADS and NCCN) to balance a nodule's risk to represent a malignancy and the likelihood of being benign.…”
Section: Discussionmentioning
confidence: 99%