|  | Patients | National data patients | 1st study GDPs | 2nd study GPDs | National data GPDs |
---|---|---|---|---|---|---|
Gender | Â | Â | Â | Â | Â | Â |
 | Male | 41.1 | 47.4 | 72.8 | 66.1 | 69.1 |
 | Female | 58.9 | 52.6 | 27.2 | 33.9 | 30.9 |
Age (years) | Â | Â | Â | Â | Â | Â |
 | < 20 | 1.3 | 5.9 | 0.0 | 0.0 | 0.0 |
 | 20-39 | 23.7 | 31.2 | 22.1 | 30.0 | 29.2 |
 | 40-64 | 60.0 | 44.1 | 76.8 | 68.2 | 70.7 |
 | > 65 | 15.0 | 18.8 | 1.0 | 1.8 | 0.1 |