Table 4 Agreement between reader 1 and reader 2. A κ < 0.20 was indicative of poor agreement, κ of 0.20–0.40 indicated fair agreement, κ of 0.41–0.60 indicated moderate agreement, κ of 0.61–0.80 indicated good agreement, and κ of 0.81–1.00 indicated very good agreement

From: Diagnostic value of radiomics and machine learning with dynamic contrast-enhanced magnetic resonance imaging for patients with atypical ductal hyperplasia in predicting malignant upgrade

Comparison κ p-value
BPE 0.573962 0
FGT 0.736386 0
Depth 0.836347 0
T2 0.427319 3.26E−10
DWI 0.534687 6.79E−11
ADC 0.620233 6.23E−10
BI-RADS 0.247909 9.22E−06
Enhancement type 0.888129 0
Shape 0.569255 1.27E−11
Margins 0.581662 3.44E−10
Enhancement (mass) 0.388235 2.92E−05
Distribution 0.698065 0
Enhancement (non-mass) 0.47231 6.93E−08
  1. ADC apparent diffusion coefficient, BI-RADS breast imaging-reporting & data system, BPE background parenchymal enhancement, DWI diffusion-weighted imaging, FGT fibroglandular tissue