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Table 2 ROC analysis for the mean curve using the semi-automatic method

From: Quantitative discrimination between invasive ductal carcinomas and benign lesions based on semi-automatic analysis of time intensity curves from breast dynamic contrast enhanced MRI

 

SI slope

MSI

E inital

E peak

ESER

SEP

AUC

0.813

0.595

0.578

0.676

0.765

0.501

SE

0.0443

0.0588

0.0583

0.0542

0.0475

0.0587

95% CI

(0.722,0.884)

(0.492,0.692)

(0.475,0.676)

(0.575,0.766)

(0.669,0.844)

(0.399,0.602)

Optimal cutoff

≤9.7039

>695.6076

>101.3672

≤202.115

>74.3415

>197.7642

Sensitivity

83.10%

84.51%

91.55%

39.43%

81.69%

63.38%

Specificity

71.83%

45.07%

25.35%

92.96%

61.97%

46.48%

Accuracy

77.47%

65.24%

58.45%

66.20%

71.83%

54.93%

  1. SE = standard error, CI = confidence interval.