Table 5.
Univariate analysis
| Item | Effective group | Ineffective group | X2 | P |
|---|---|---|---|---|
| n=93 | n=32 | |||
| Age | 10.02 | 0.001 | ||
| ≤60 (n=45) | 42 (45.16) | 4 (12.50) | ||
| >60 (n=85) | 51 (54.84) | 28 (87.50) | ||
| BMI (kg/m2) | 0.025 | 0.875 | ||
| ≥23 kg/m2 (n=64) | 48 (51.61) | 16 (50.00) | ||
| <23 kg/m2 (n=61) | 45 (48.39) | 16 (50.00) | ||
| Number of cone fractures | 18.21 | <0.001 | ||
| Single cone (n=75) | 66 (70.97) | 9 (28.13) | ||
| 2-3 cones (n=50) | 27 (20.93) | 23 (71.88) | ||
| Percentage of height loss at the front edge of the injured vertebral body before surgery (%) | 15.30 | <0.001 | ||
| ≥50% (n=53) | 30 (32.26) | 23 (71.88) | ||
| <50% (n=72) | 63 (67.74) | 9 (28.13) | ||
| Is there any abnormality in SEP monitoring? | 16.62 | <0.001 | ||
| Yes (n=55) | 28 (30.11) | 27 (77.27) | ||
| No (n=70) | 65 (69.89) | 5 (22.73) |
SEP: somatosensory evoked potential.