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Table 5 The performance of significant histogram parameters for differentiating different ALN status

From: The value of whole-lesion histogram analysis based on field‑of‑view optimized and constrained undistorted single shot (FOCUS) DWI for predicting axillary lymph node status in early-stage breast cancer

Comparison and parameter

AUC (95% CI)

P value

N0 versus N1–2 and N3

Energy

0.796 (0.698–0.894)

0.000

Maximum

0.654 (0.529–0.780)

0.017

Range

0.658 (0.534–0.782)

0.015

Size

0.754 (0.645–0.863)

0.000

N0 and N1–2 versus N3

Energy

0.853 (0.751–0.956)

0.000

Maximum

0.746 (0.616–0.876)

0.001

90 Percentile

0.689 (0.543–0.834)

0.012

Range

0.745 (0.619–0.871)

0.001

Size

0.809 (0.694–0.924)

0.000

N1–2 versus N3

Energy

0.744 (0.561–0.926)

0.013

Maximum

0.716 (0.544–0.888)

0.028

90 Percentile

0.703 (0.524–0.882)

0.039

Size

0.739 (0.577–0.901)

0.015

  1. AUC area under the ROC curve, CI confidence interval
  2. p values were calculated by using the Mann–Whitney U test