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General data of patients and controls.
| Variables | AIS cases | Controls |
|---|---|---|
| Ethnic group | Chinese Han | Chinese Han |
| Female/Male | 124/7 | 62/70 |
| Mean age ± SD (years) | 13.94 ± 1.93 | 36.72 ± 16.84 |
| Age range (years) | 11-18 | 20-75 |
| Age at diagnosis (years) | 12.91 ± 1.31 | NA |
| Mean Cobb angle ± SD (°) | 37.40 ± 13.90 | NA |
| Cobb angle range (°) | 20-105 | NA |
