Table 1.
Clinical feature and surgical outcome in each of the 5 types.
| Type 1 (n=30) | Type 2 (n=19) | Type 3 (n=11) | Type 4 (n=13) | Type 5 (n=11) | F | P | |
|---|---|---|---|---|---|---|---|
| Age (year) | 46.7±8.1 | 53.4±10.7 | 53.5±9.3 | 58.6±8.3 | 61.5±9.7 | 7.205 | <0.001 |
| Duration of symptoms (months) | 7.4±3.2 | 10.1±2.6 | 10.6±2.2 | 14.1±3.5 | 16.8±2.0 | 27.769 | <0.001 |
| Compression ratio (%) | 35.3±9.2 | 35.5±5.6 | 34.5±2.3 | 34.1±3.1 | 33.8±12.4 | 0.142 | 0.966 |
| Preoperative JOA score | 10.8±1.9 | 10.5±2.0 | 9.7±2.1 | 9.4±2.5 | 8.6±2.5 | 2.842 | 0.029 |
| Postoperative JOA score | 14.8±1.5 | 13.9±1.9 | 12.1±2.0 | 11.4±2.4 | 10.6±1.6 | 16.393 | <0.001 |
| Recovery rate (%) | 67.9±18.8 | 54.5±22.8 | 34.3±16.4 | 26.6±21.7 | 22.5±6.9 | 19.403 | <0.001 |