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Summary of demographic data and data regarding the instrumentation.
| Demographic and instrumentation data | |||
|---|---|---|---|
| N | TOT | ||
| Age (mean) | 14.5±1.5 years | ||
| Sex | F | 28 | 31 |
| M | 3 | ||
| Curve type* | Type 1 | 4 | 31 |
| Type 2 | 15 | ||
| Type 3/4 | 12 | ||
| Type 5 | 0 | ||
| Instrumented vertebrae (median) | 10 (range 6-12) | ||
| Upper instrumented vertebra | T5 | 16 | 31 |
| T6 | 7 | ||
| T7 | 2 | ||
| T10 | 3 | ||
| T11 | 2 | ||
| T12 | 1 | ||
| LIV | T11 | 1 | 31 |
| T12 | 3 | ||
| L1 | 4 | ||
| L2 | 3 | ||
| L3 | 14 | ||
| L4 | 6 | ||
| Double cord | Yes | 6 | 31 |
| No | 25 | ||
*Curve type according to Trobisch et al. [12]
