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Comparison of preoperative and postoperative neurological statuses in the two groups.
| Group | Preoperative ASIA | Postoperative ASIA | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | A | B | C | D | E | |
| PFVP (n=21) | 1 | 8 | 12 | 0 | 2 | 4 | 15∗ | |||
| PVCR (n=24) | 2 | 10 | 12 | 1 | 3 | 6 | 14∗ | |||
| χ 2 | 0.357 | 1.472 | ||||||||
| P | 0.836 | 0.858 | ||||||||
∗ P < 0.05 for the comparison between preoperative and postoperative statuses.
