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Fig. 2 | BMC Cancer

Fig. 2

From: Patient- and treatment-related risk factors associated with neck muscle spasm in nasopharyngeal carcinoma patients after intensity-modulated radiotherapy

Fig. 2

Receiver operating characteristic (ROC) curve for the V60 (percentage of the sternocleidomastoid muscle volume that received more than 60 Gy). A ROC curve was generated to determine the dose tolerance for moderate/severe neck muscle spasm. A V60 of 61.92% had a sensitivity of 0.900 and a specificity of 0.953 and was considered the tolerance dose of the sternocleidomastoid (SCM) muscle with respect to post-radiotherapy spasms. The area under the ROC curve for a V60 of 61.92% was 0.934

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BMC Cancer

ISSN: 1471-2407

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