| |
Local control
|
Local failure
|
P
|
|---|
|
Before treatment (total = 46)
|
(n = 22)
|
(n = 24)
| |
|
Mean ADC (ADCpre) (× 10−3 mm2/s)
| | | |
|
Min.–Max.
|
0.7–1.2
|
0.76–1.4
|
0.001*
|
|
Mean ± SD
|
0.89 ± 0.1
|
1.1 ± 0.2
|
|
Median (IQR)
|
0.87(0.8–1)
|
1(0.98 – 1.2)
|
|
ADC skewness
| | | |
|
Min.–Max.
|
− 0.55–1.6
|
− 0.69–0.96
|
0.442
|
|
Mean ± SD
|
0.53 ± 0.67
|
0.39 ± 0.45
|
|
Median (IQR)
|
0.53(0.04–1.1)
|
0.45(0.12–0.79)
|
|
ADC kurtosis
| | | |
|
Min.–Max.
|
− 0.68–8.8
|
0.09–4.1
|
0.792
|
|
Mean ± SD
|
2.4 ± 2.9
|
1.4 ± 0.99
|
|
Median (IQR)
|
1.8(0.15–3.5)
|
1.3(0.74–2)
|
|
Tumor volume (TVpre) (cm3)
| | | |
|
Min.–Max.
|
0.5–127.5
|
1.6–120
|
0.097
|
|
Mean ± SD
|
27.3 ± 33.6
|
35.1 ± 26.4
|
|
Median (IQR)
|
11.3(4–35)
|
28.4(21.5–43.6)
|
|
Midtreatment (total = 29)
|
(n = 15)
|
(n = 14)
| |
|
ΔADC (%)
| | | |
|
Min.–Max.
|
13.9–118.8
|
− 3.5–66.3
|
0.008*
|
|
Mean ± SD
|
45.2 ± 27.8
|
21.8 ± 21.3
|
|
Median (IQR)
|
38.9(26.9–52.5)
|
14.1(9.7–34.1)
|
|
TVmid (cm3)
| | | |
|
Min.–Max.
|
0.68–65
|
3–117
|
0.007*
|
|
Mean ± SD
|
8.76 ± 14.4
|
25.5 ± 32.8
|
|
Median (IQR)
|
2.5(0.9–7.9)
|
14.9(3.6–30)
|
|
ΔTV (%)
| | | |
|
Min. – Max.
|
15.2–95.1
|
− 96.9–89.7
|
0.100
|
|
Mean ± SD.
|
61.6 ± 28
|
24 ± 62.3
|
|
Median (IQR)
|
72.8(32.3–80.9)
|
36.4(2.3–\79.3)
|
- P P value for comparing between the two groups using Mann–Whitney test
- *Statistically significant at P ≤ 0.05
