Table 3:

Chronologic changes of mean ADC values in high T2 signal intensity

Preoperative StagePostoperative Stage (1 wk)Follow-Up Stage (6 mo)
ISI (+)1.002 ± 0.305 (n = 48)0.905 ± 0.255 (n = 41)0.782 ± 0.147 (n = 32)a
ISI (−)0.775 ± 0.126 (n = 274)b0.760 ± 0.178 (n = 231)c0.674 ± 0.141 (n = 181)d
Total0.813 ± 0.254 (n = 322)0.723 ± 0.191 (n = 272)0.691 ± 0.145 (n = 213)

  • Note:—ISI indicates increased signal intensity. Values are expressed as mean (×10−3 mm2/s).

  • ↵a P = .02 versus ISI(+) group in the preoperative stage.

  • ↵b P < .0001 versus ISI(+) group in the preoperative stage.

  • ↵c P = .001 versus ISI(+) group in the postoperative stage.

  • ↵d P <.0001 versus ISI(−) group in the preoperative stage.