Open Access
Table 2
Descriptive statistics of study cases, classification of patients according to histiocytosis Euro Network, survival, age at presentation, and follow-up duration.
| Category | Number of cases (percentage) | Number of died cases | Survival | Age at diagnosis in years |
Follow-up period in months |
|---|---|---|---|---|---|
| Mean ± SD (range) | Mean ± SD (range) | ||||
| LCH not affecting the skeletal system | 38 | Excluded from the study | |||
| Multisystem LCH | |||||
| Multifocal bone lesions | 45 | 9 | 80% | 2.8 ± 2.23 (0.3–10.25) | 43.4 ± 33.5 (8–118.8) |
| Unifocal bone lesion | 14 | 2 | 85% | 30.4 ± 3.1 (0.4–10.1) | 50.3 ± 40.4 (30–119) |
| Skeletal-only LCH | |||||
| Multifocal bone lesions | 65 | 1 | 98.5% | 4.27 ± 3 (0.48–12.36) | 61.8 ± 31 (20–120) |
| Unifocal bone lesion | 67 | 2 | 97% | 6.08 ± 3.6 (0.44–14.84) | 53.5 ± 32.3 (1.5–120.8) |
| Total | 191 | 14 | 92.7% | 4.4 ± 3.2 (0.3–14.84) | 53.3 ± 33.3 (1.5–120.8) |
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