TABLE 1.
Patients’ characteristics for Langerhans cell histiocytosis in England, 2013–2019
| Characteristic | N (%) a |
|---|---|
| Age at diagnosis, years | |
| Infants (<1) | 53 (8) |
| 1–14 | 271 (41) |
| 15–29 | 72 (11) |
| 30–44 | 80 (12) |
| 45–59 | 100 (15) |
| ≥60 | 82 (12) |
| Children (<15) | 324 (49) |
| Adults (≥15) | 334 (51) |
| Overall | 658 (100) |
| Sex | |
| Female | 288 (44) |
| Male | 370 (56) |
| Ethnicity | |
| White | 523 (79) |
| Asian | 44 (7) |
| Other b | 34 (5) |
| Unknown | 57 (9) |
| Deprivation quintile | |
| 1 – least deprived | 116 (18) |
| 2 | 113 (17) |
| 3 | 114 (17) |
| 4 | 156 (24) |
| 5 – most deprived | 159 (24) |
| Region | |
| North East | 34 (5) |
| North West | 75 (11) |
| Yorkshire/Humber | 60 (9) |
| East Midlands | 46 (7) |
| West Midlands | 85 (13) |
| East of England | 61 (9) |
| London | 97 (15) |
| South East | 119 (18) |
| South West | 81 (12) |
| Site of disease c | |
| Bone | 165 (25) |
| Bone marrow | 152 (23) |
| Skin | 73 (11) |
| Bronchus/lung | 62 (9) |
| Other and unknown | 206 (31) |
a
Percentages might not total 100% due to approximation.
b
Combined all other known ethnic groups due to low numbers.
c
Detailed site codes and description are in Table S3.