Demographic characteristics of patients meeting clinical criteria for Hirayama disease compared with those not meeting clinical criteria
| Patients with Hirayama Disease (n = 21) | Patients without Hirayama Disease (n = 17) | |
|---|---|---|
| Age in yearsa (mean) (range) | 24 (17–61) | 41 (15–68) |
| Male sex (No.) (%) | 21 (100.0) | 11 (64.7) |
| Residence in North America, (No.) (%) | 21 (100.0) | 16 (94.1) |
| White (No.) (%) | 20 (95.2) | 14 (82.3) |
| Asian (No.) (%) | 0 (0) | 1 (5.9) |
| Other or unknown race | 1 (4.7) | 2 (11.8) |
↵a Age determined at time of clinical evaluation.