Table 1.
Baseline characteristics of 6196 males with severe hemophilia A receiving care in US hemophilia treatment centers, 1999 to 2010
| Characteristic | N | % |
|---|---|---|
| Age at first visit, y | ||
| 2-9 | 2333 | 37.6 |
| 10-19 | 1650 | 26.6 |
| 20-29 | 933 | 15.1 |
| 30-39 | 624 | 10.1 |
| 40-49 | 423 | 6.8 |
| 50-69 | 233 | 3.8 |
| Race/ethnicity | ||
| White, non-Hispanic | 3888 | 62.8 |
| Black, non-Hispanic | 963 | 15.5 |
| Hispanic* | 840 | 13.5 |
| Asian | 242 | 3.9 |
| Other | 263 | 4.3 |
| BMI | ||
| Normal/underweight | 3897 | 62.9 |
| Overweight | 1262 | 20.4 |
| Obese | 1037 | 16.7 |
| Treatment type at first visit | ||
| Prophylaxis | 2309 | 37.3 |
| On demand | 3887 | 62.7 |
| Inhibitor | ||
| Yes | 688 | 11.1 |
| No | 5508 | 88.9 |
*
Hispanic ethnicity of either black or white race.