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. 2017 Nov 28;8:231–240. doi: 10.2147/LCTT.S149516

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© 2017 Wojcik and Kulpa. This work is published and licensed by Dove Medical Press Limited

The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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ROC curve for ProGRP, HE4, NSE, CA 125, CYFRA 21-1 and CEA plotted for SCLC versus reference group.

Note: Copyright © 2016. Reproduced from Clinical Laboratory. Wojcik E, Tarapacz J, Rychlik U, et al. Human epididymis protein 4 (HE4) in patients with small-cell lung cancer. Clin Lab. 2016;62(9):1625–1632.⁷⁹

Abbreviations: ROC, receiver operating characteristic; SCLC, small-cell lung cancer; AUC, area under the ROC curve; SE, standard error.