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Correction to: Cut-off points between pain intensities of the postoperative pain using receiver operating characteristic (ROC) curves

The Original Article was published on 25 January 2021

Correction to: BMC Anesthesiol 21, 29 (2021)

https://doi.org/10.1186/s12871-021-01245-5

Following publication of the original article [1], the authors report an error in the Method section. The formula used for determining the cut-off points from the receiver operating characteristic (ROC) curves was published incorrectly, so the authors correct the error. The formula was published as below originally.

$$d=\sqrt{{\left(1-sensitivity\right)}^{2}+{\left(1-sensitivity\right)}^{2}}$$

The authors correct this as below [2].

$$d=\sqrt{{\left(1-sensitivity\right)}^{2}+{\left(1-specificity\right)}^{2}}$$

References

  1. 1.

    Cho S, Kim YJ, Lee M, Woo JH, Lee HJ. Cut-off points between pain intensities of the postoperative pain using receiver operating characteristic (ROC) curves. BMC Anesthesiol. 2021;21:29. https://doi.org/10.1186/s12871-021-01245-5.

    Article  PubMed  PubMed Central  Google Scholar 

  2. 2.

    Hajian-Tilaki K. Receiver operating characteristic (ROC) curve analysis for medical diagnostic test evaluation. Caspian J Intern Med. 2013;4:627–35.

    PubMed  PubMed Central  Google Scholar 

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Correspondence to Youn Jin Kim.

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Cho, S., Kim, Y.J., Lee, M. et al. Correction to: Cut-off points between pain intensities of the postoperative pain using receiver operating characteristic (ROC) curves. BMC Anesthesiol 21, 191 (2021). https://doi.org/10.1186/s12871-021-01410-w

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