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Table 6 Agreement between biopsy (reference) and MRI DWI/ADC findings

From: Role of MRI in diagnosis of prostate cancer and correlation of results with transrectal ultrasound guided biopsy “TRUS”

MRI DCW/ADC

Biopsy

Total

Malignant

Benign

Restricted

19 (63.3%) TP

1 (3.3%) FP

1 (3.3%)

Free

3 (10.0%) FN

7 (23.3%) TN

10 (33.3%)

Total

22 (73.3%)

8 (26.7%)

30 (100.0%)

Kappa (95% CI)

0.684 (0.402–0.967)

P

 < 0.001*

  1. Percentages are from the total (30), TP: True positive, TN: True negative, FP: False positive, FN: False negative
  2. Bold values are referred to as significant value and better results than other filtering methods