LCH patient characteristics
| . | Total (N = 41) N (%) . | BRAFV600E (N = 20) N (%) . | MAP2K1 mutation (N = 7) N (%) . | Neither mutation (N = 14) N (%) . | P . |
|---|---|---|---|---|---|
| Male | 22 (54) | 11 (55) | 3 (43) | 8 (57) | .814 |
| Female | 19 (46) | 9 (45) | 4 (57) | 6 (43) | |
| Age <2 y | 16 (39) | 9 (45) | 3 (43) | 4 (28) | .643 |
| Age 2-8 y | 16 (39) | 8 (40) | 3 (43) | 5 (36) | |
| Age >8 y | 9 (22) | 3 (15) | 1 (14) | 5 (36) | |
| Risk organ(+) | 8 (20) | 5 (25) | 1 (14) | 2 (14) | .687 |
| Risk organ(−) | 33 (80) | 15 (75) | 6 (86) | 12 (86) | |
| Multiple lesions | 27 (66) | 15 (75) | 3 (43) | 9 (64) | .300 |
| Single lesion | 14 (34) | 5 (25) | 4 (57) | 5 (36) |
| . | Total (N = 41) N (%) . | BRAFV600E (N = 20) N (%) . | MAP2K1 mutation (N = 7) N (%) . | Neither mutation (N = 14) N (%) . | P . |
|---|---|---|---|---|---|
| Male | 22 (54) | 11 (55) | 3 (43) | 8 (57) | .814 |
| Female | 19 (46) | 9 (45) | 4 (57) | 6 (43) | |
| Age <2 y | 16 (39) | 9 (45) | 3 (43) | 4 (28) | .643 |
| Age 2-8 y | 16 (39) | 8 (40) | 3 (43) | 5 (36) | |
| Age >8 y | 9 (22) | 3 (15) | 1 (14) | 5 (36) | |
| Risk organ(+) | 8 (20) | 5 (25) | 1 (14) | 2 (14) | .687 |
| Risk organ(−) | 33 (80) | 15 (75) | 6 (86) | 12 (86) | |
| Multiple lesions | 27 (66) | 15 (75) | 3 (43) | 9 (64) | .300 |
| Single lesion | 14 (34) | 5 (25) | 4 (57) | 5 (36) |