Table 1 Patient Population Demographics
Demographic | All patients | DMD-treated | Not DMD treated |
|---|---|---|---|
N = 11,061 | n = 4,462 | n = 6,599 | |
Gender | |||
Male | 25.8% | 23.7% | 27.2% |
Female | 74.2% | 76.3% | 72.8% |
Age (in years, mean ± SD) | 50.3 ± 13.3 | 44.5 ± 10.6 | 54.3 ± 13.4 |
18-34 | 11.5% | 18.4% | 6.8% |
35-44 | 21.5% | 30.4% | 15.5% |
45-54 | 31.2% | 33.5% | 29.7% |
55-64 | 22.5% | 15.6% | 27.2% |
65+ | 13.2% | 2.2% | 20.7% |
Insurance Type | |||
Commercial | 85.1% | 96.9% | 77.1% |
Medicare | 14.9% | 3.1% | 22.9% |
Geographic Region | |||
Northeast | 12.9% | 12.8% | 13.0% |
North Central | 35.6% | 32.0% | 38.0% |
South | 30.4% | 35.5% | 27.0% |
West | 20.5% | 19.2% | 21.3% |
Unknown | 0.6% | 0.5% | 0.7% |
Index year | |||
2001 | 7.5% | 8.0% | 7.2% |
2002 | 12.9% | 13.0% | 12.9% |
2003 | 16.8% | 17.7% | 16.1% |
2004 | 24.0% | 22.1% | 25.4% |
2005 | 22.2% | 22.5% | 21.9% |
2006* | 16.6% | 16.7% | 16.5% |
Length of follow-up (in months, mean ± SD) | 35.7 ± 17.5 | 36.7 ± 17.6 | 35.1 ± 17.5 |