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Table 3 Comparison of DWI derived parameters between patients with different treatment outcomes

From: Potentialities of multi-b-values diffusion-weighted imaging for predicting efficacy of concurrent chemoradiotherapy in cervical cancer patients

 

CR

non-CR

t /z

p

ADC-T0 (× 10− 3 mm2/s)

1.08 ± 0.20

0.94 ± 0.18

189.50b

0.02*

ADC-T1 (×10− 3 mm2/s)

1.26 ± 0.16

1.00 ± 0.16

75.50 b

<  0.01*

ΔADC (× 10− 3 mm2/s)

0.18 ± 0.20

0.05 ± 0.17

202.50 b

0.04*

Dslow-T0 (× 10− 3 mm2/s)

0.93 ± 0.15

0.76 ± 0.13

4.12a

< 0.01*

Dslow-T1 (×10−3 mm2/s)

1.07 ± 0.16

0.92 ± 0.16

3.31 a

< 0.01*

ΔDslow (×10−3 mm2/s)

0.14 ± 0.24

0.17 ± 0.21

0.36 a

0.72

Dfast-T0 (×10−3 mm2/s)

71.63 ± 14.82

69.78 ± 15.57

253.50 b

0.25

Dfast-T1 (×10−3 mm2/s)

88.59 ± 10.13

82.83 ± 15.32

215.50 b

0.06

ΔDfast (×10−3 mm2/s)

16.95 ± 20.31

13.06 ± 21.27

284.5 0b

0.57

fp-T0

0.26 ± 0.06

0.25 ± 0.06

289.50 b

0.64

fp-T1

0.28 ± 0.06

0.28 ± 0.07

308.00 b

0.90

Δfp

0.02 ± 0.07

0.03 ± 0.10

286.00 b

0.59

DDC-T0 (×10−3 mm2/s)

1.20 ± 0.29

1.02 ± 0.27

2.31 a

0.02*

DDC-T1 (×10−3 mm2/s)

1.29 ± 0.28

1.29 ± 0.27

0.07 a

0.94

ΔDDC (×10−3 mm2/s)

0.08 ± 0.44

0.28 ± 0.31

1.66 a

0.10

α-T0

0.65 ± 0.10

0.66 ± 0.06

0.22 a

0.82

α-T1

0.68 ± 0.10

0.67 ± 0.06

0.41 a

0.68

Δα

0.03 ± 0.02

0.01 ± 0.01

3.59 a

< 0.01*

  1. Note: Data are expressed as mean ± SD. * p < 0.05
  2. aComparisons were performed by independent t test. b Comparisons were performed by Mann–Whitney U test