Table 2.
Radiographic characteristics of Scheuermann's disease grades in probands.
| Radiographic signs | Scheuermann's disease grade | ||
|---|---|---|---|
| I (n = 14) | II (n = 73) | III (n = 23) | |
| Kyphosis (Cobb angle degrees) | 25–45 | 45–65 | >65 |
| Number of segments involved | 3-4 | 4-5 | 5–7 |
|
| |||
| Percentage of patients with a sign presence | |||
|
| |||
| Endplate irregularities | 65 | 100 | 68 |
| Wedge-shaped vertebral body, >5 degrees | 62 | 96 | 100 |
| Schmorl's nodules | 38 | 93 | 100 |
| Vertebral body osteoporosis | 31 | 64 | 68 |
| Narrowing of intervertebral space | 26 | 92 | 93 |
| Apophysis fragmentation | 19 | 69 | 52 |