Table 4 ADC values (mean ± standard deviation) and ratios with 95%-confidence interval

ADC-value (tumor)

673 ± 305

721 ± 323

742 ± 296

796 ± 262

685 ± 352

ADC-value (edema 5 mm)

1512 ± 276*

1227 ± 526

1353 ± 501

1391 ± 322

1066 ± 323*

ADC-value (edema 10 mm)

1593 ± 305

1498 ± 466

1642 ± 329*

1554 ± 387

1343 ± 387*

ADC-value (edema 20 mm)

1653 ± 307

1561 ± 584

1816 ± 307

1684 ± 279

1296 ± 279

ADC-ratio (tumor)

0.97 ± 0.48

(0.87–1.07)

1.05 ± 0.35

(0.99–1.11)

0.98 ± 0.34

(0.88–1.08)

1.06 ± 0.41

(0.89–1.24)

1.09 ± 0.34

(1.01–1.17)

ADC-ratio (edema 5 mm)

2.17 ± 0.41**

(2.08–2.25)

1.79 ± 0.54

(1.67–1.91)

1.83 ± 0.52

(1.63–2.03)

1.88 ± 0.55

(1.55–2.21)

1.72 ± 0.56

(1.53–1.91)

ADC-ratio (edema 10 mm)

2.25 ± 0.41

(2.16–2.35)

2.07 ± 0.55

(1.91–2.23)

2.11 ± 0.48

(1.89–2.33)

2.02 ± 0.66

(1.41–2.63)

2.05 ± 0.59

(1.78–2.32)

ADC-ratio (edema 20 mm)

2.36 ± 0.47

(2.23–2.49)

2.28 ± 0.51

(2.07–2.49)

2.34 ± 0.45

(1.99–2.68)

2.24 ± 0.61

(1.48–2.99)

2.25 ± 0.55

(1.88–2.62)