Table 1.
Demographic and clinical characteristics of study participants
| Parameter | Patients (N=200) |
|---|---|
| Age, mean (range), yearsa | 36.5 (18–86) |
| Sex, n (%)a | |
| Male | 146 (77) |
| Female | 43 (23) |
| Race, n (%)a | |
| White | 128 (68) |
| Black | 27 (14) |
| Asian | 3 (2) |
| Native American or Alaskan native | 2 (1) |
| Native Hawaiian or other Pacific islander | 2 (1) |
| Other | 27 (14) |
| Hemophilia type, n (%)b | |
| A | 161 (81) |
| B | 39 (20) |
| Hemophilia severity, n (%) | |
| Mild | 48 (24) |
| Moderate | 16 (8) |
| Severe | 136 (68) |
| Type of treatment, n (%)b | |
| On-demand | 81 (41) |
| Before activity | 11 (6) |
| Prophylaxis | 108 (54) |
| Inhibitor status, n (%)b | |
| Yes | 79 (40) |
| No | 121 (61) |
Notes: an=189. Sex and race for 11 patients are unknown. bPercentages may not add to 100% because of rounding.