Table 1 The demographic of patients with Langerhans cell histiocytosis with bone lesions
| Â | Single | Multiple |
|---|---|---|
Patients (No.) | 64 | 18 |
Sex (M/F) | 38/26 | 11/7 |
Median age at diagnosis (Y) | 13.5 (1–64) | 4.5 (1–66) |
Age distribution (No. [%]) | ||
 Child (range, 1–17) | 37 (57.8) | 14 (77.8) |
 Adult (range, 19–66) | 27 (42.2) | 4 (22.2) |