Table 1 Number of patients with each curve type before surgery using the Lenke Classification and grouped according to the T5-T12 Cobb angle on standing radiographs before surgery
T5-T12 kyphosis Cobb angle | <20° | 20 to 40° | >40° (hyper) | Total |
|---|---|---|---|---|
| Â | (hypo) | (normal) | Â | Â |
Lenke Type IA | 12 | 7 | 0 | 19 |
Lenke Type IB | 4 | 4 | 0 | 8 |
Lenke Type IC | 1 | 2 | 0 | 3 |
Total | 17 | 13 | 0 | 30 |