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Table 1 Median, standard deviation and range of the percentage change for significant features differentiating patients with pathologic complete response (pCR) from non-pCR patients

From: Textural radiomic features and time-intensity curve data analysis by dynamic contrast-enhanced MRI for early prediction of breast cancer therapy response: preliminary data

 

Δ Entropy (%)

Δ LRE (%)

Δ Busyness (%)

Δ MSD (%)

ΔWIS [%]

ΔWOS [%]

SIS (%)

Non-pCR patients

Median

0.28

0.29

23.79

12.49

38.52

-11.43

9.59

SD

7.30

2.28

75.93

38.94

50.21

95.11

63.80

Range

30.57

12.60

298.18

234.22

210.05

420.02

320.65

pCR patients

Median

5.03

1.30

38.83

68.89

87.35

143.67

125.17

SD

11.69

1.84

37.75

45.30

47.37

129.24

251.58

Range

43.82

7.52

134.56

142.17

155.66

492.36

779.98

Total

Median

2.16

0.52

27.67

17.00

50.54

20.74

27.96

SD

9.57

2.21

68.69

43.92

51.28

130.15

183.57

Range

43.82

12.60

307.92

250.40

224.91

641.45

993.42

p value*

0.021

0.024

0.023

0.014

0.012

< 0.001

< 0.001

  1. Range represents the absolute difference between maximum and minimum values
  2. LRE Long-run emphasis, MSD Maximum signal difference, SD Standard deviation, SIS Standardised index of shape, WIS Washin slope, WOS Washout slope
  3. *Kruskal-Wallis test