Chronologic changes of mean ADC values in each compression type
| Type | Preoperative Stage | Postoperative Stage (1 wk) | Follow-Up Stage (6 mo) |
|---|---|---|---|
| 0 | 0.704 ± 0.142 (n = 140) | 0.692 ± 0.134 (n = 114) | 0.648 ± 0.143 (n = 84)a |
| I | 0.833 ± 0.228 (n = 75)b | 0.807 ± 0.171 (n = 63)c | 0.676 ± 0.093 (n = 49)d |
| II | 0.939 ± 0.330 (n = 74)b | 0.880 ± 0.238 (n = 67)e | 0.763 ± 0.150 (n = 57)f,g |
| III | 0.948 ± 0.289 (n = 33)b | 0.908 ± 0.197 (n = 28)h | 0.791 ± 0.153 (n = 23) |
| Total | 0.813 ± 0.254 (n = 322) | 0.723 ± 0.191 (n = 272) | 0.691 ± 0.145 (n = 213)i |
Note:—Values are expressed as mean (×10 − 3 mm2/s).
↵a P = .01 versus type 0 in the preoperative stage.
↵b P <.0001 versus type 0 in the preoperative stage.
↵c P = .0008.
↵d P = .0015 versus type I in the preoperative stage.
↵e P < .0001.
↵f P = .004 versus type 0 in the follow-up stage.
↵g P = .009 versus type II in the preoperative stage.
↵h P = .005 versus type 0 in the postoperative stage.
↵i P < .0001 versus total value in the preoperative stage.