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Table 5 ROC a curve analysis for DVH b -based parameters related to acute grade ≥2 RP c in present study

From: Stereotactic body radiation therapy for post-pulmonary lobectomy isolated lung metastasis of thoracic tumor: survival and side effects

Parameters

Optimal threshold

Value

Sensitivity

Specificity

PTV volume (cm3)

59

75.0%

80.0%

Ipsilateral lung V5 d (%)

51

62.5%

80.0%

  1. a: receiver operating characteristic; b: dose-volume histogram; c: radiation pneumonitis; d: the percentage of the ipsilateral lung volume that received more than 5 Gy irradiation dose.