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Apical lordosis and Chiari and/or syringomyelia in patients with a working diagnosis of idiopathic scoliosis (n = 223)*
| Chiari and/or syringomyelia | ||||
| Apical lordosis | Negative, n (%) | Positive, n (%) | p-value** | R-value |
| Absent indeterminate | 85 (79) | 23 (21) | < 0.01 | - 0.22 |
| Present | 108 (94) | 7 (6) | ||
45/268 patients were excluded from this analysis: three without a lateral film and 42 without a thoracic or thoracolumbar curve
Chi-square test used for statistical analysis
