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Table 2 Sensitivity, specificity, and AUC of different cut-off values of GTV-P for survival prediction in the 346 patients with locally advanced NPC

From: Prognostic value and predictive threshold of tumor volume for patients with locally advanced nasopharyngeal carcinoma receiving intensity-modulated radiotherapy

End-point

GTV-P cut-off value

46.4 mL

57.9 mL

75.4 mL

Sensitivity (%)

Specificity (%)

AUC

Sensitivity (%)

Specificity (%)

AUC

Sensitivity (%)

Specificity (%)

AUC

OS

59.4

66

0.662

39.1

79.4

–

26.6

90.4

–

LRFS

50

62

–

62.5

77.9

0.702

25

88

–

DMFS

61.8

65.6

–

40

79.2

–

36.4

91.8

0.668

DFS

56.6

66.9

0.668

37.5

80.1

–

26.5

91.6

–

  1. Twelve patients were lost to follow-up and, thus, were not included in the survival analysis
  2. AUC area under the curve, OS overall survival, LRFS local relapse-free survival, DMFS distant metastasis-free survival, DFS disease-free survival
  3. – AUC of inferior cut-off value for the endpoint was not calculated
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Cancer Communications

ISSN: 2523-3548

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