Table 1.
Group N = 76 | No. of patients | No. of patients with changes in neurological status ( + ) | No. of patients without changes in neurological status (−) | χ 2 | P values |
---|---|---|---|---|---|
X 1: Gender | Male (N = 37) | 3 | 34 | 0.000 | 1.000 |
Female (N = 39) | 3 | 36 | |||
X 2: Age | <18 (N = 52) | 3 | 49 | 0.000 | 1.000 |
>18 (N = 24) | 3 | 21 | |||
X 3: Apex | Thoracic spine (N = 45) | 1 | 44 | 5.959 | 0.027* |
Thoracolumbar spine (N = 19) | 4 | 15 | |||
Lumbar spine (N = 12) | 1 | 11 | |||
X 4: Cobb angle of the main curve at the coronal plane | <100° (N = 51) | 1 | 50 | 5.232 | 0.022 |
>100° (N = 25) | 5 | 20 | |||
X 5: Scoliosis with thoracic hyperkyphosis | Yes (N = 13) | 4 | 9 | 7.809 | 0.005 |
No (N = 63) | 2 | 61 | |||
X 6: Level of vertebral column resected | One vertebra (N = 59) | 2 | 57 | 4.852 | 0.028 |
≥2 vertebrae (N = 17) | 4 | 13 | |||
X 7: Number of sectional vessels ligated(pairs) | 1 (N = 59) | 2 | 57 | 4.852 | 0.028 |
≥2 (N = 17) | 4 | 13 | |||
X 8: Preoperative neurologic dysfunction | Yes (N = 13) | 5 | 8 | 15.399 | 0.000 |
No (N = 63) | 1 | 62 | |||
X 9: Associated with intraspinal and brain stem anomalies | Yes (N = 26) | 5 | 21 | 4.816 | 0.028 |
No (N = 50) | 1 | 49 | |||
X 10: Etiology | Idiopathic (N = 31) | 3 | 28 | 0.002 | 0.964 |
Non-idiopathic (N = 45) | 3 | 42 |
With regard to P values, the value marked with * meant the results using Fisher’s exact probability, and the value without * was P values calculated using continuity correction Chi-square