Table 3B. Prevalence of orthopedic surgeries in patients with MPS II (n=124).
| Location and type of surgery | N. |
|---|---|
| Spine | |
| Spinal decompression | 1 (<1%) |
| Spine fusion | 1 (<1%) |
| Hip | |
| Femoral osteotomy | 3 (2.4%) |
| Pelvic osteotomy | 0 |
| Hip replacement | 0 |
| Knee | |
| Arthroscopy | 0 |
| Hand | |
| Carpal tunnel decompression | 24 (19.4%) |
| Trigger finger operation | 2 (1.6%) |
a
Prevalences are calculated from birth to last visit for untreated patients and from birth to treatment start for treated patients, and based on the number of patients with available surgery data (n=124).