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The number of patients stratified by their neurological status according to the American Spinal Injury Association (ASIA) Impairment Scale compared before and after the endoscopic decompression spine surgery
| Before surgery | After surgery |
||||
|---|---|---|---|---|---|
| A | B | C | D | E | |
| A | 1 | 1 | - | - | - |
| B | - | 1 | 1 | 1 | 1 |
| C | - | 1 | - | 7 | 1 |
| D | - | - | - | 7 | 5 |
| E | - | - | - | - | 2 |
