Table 1: Descriptive characteristics of adults with spinal muscular atrophy (SMA) and matched adults without SMA (w/o SMA).
|
SMA (n = 2,427) |
w/o SMA (n = 484,528) |
|
|
Age, mean (SD) |
59.7 (17.4) |
59.5 (17.2) |
|
18-39 years, % (n) |
15.4 (374) |
15.4 (74,513) |
|
40-54 years, % (n) |
19.3 (469) |
18.9 (91,372) |
|
55-64 years, % (n) |
17.6 (428) |
16.4 (79,462) |
|
65-74 years, % (n) |
27.8 (674) |
29.1 (141,200) |
|
≥ 75 years, % (n) |
19.9 (482) |
20.2 (97,981) |
|
Sex, % (n) |
|
|
|
Female |
49.0 (1,190) |
49.0 (237,630) |
|
Male |
51.0 (1,237) |
51.0 (246,898) |
|
Race, % (n) |
|
|
|
Asian |
1.8 (44) |
2.5 (11,944) |
|
Black |
10.7 (259) |
5.9 (28,423) |
|
Hispanic |
3.8 (92) |
6.2 (29,814) |
|
White |
76.8 (1,864) |
76.8 (372,119) |
|
Other/unknown |
6.9 (168) |
8.7 (42,228) |
|
U.S. region of residence, % (n) |
|
|
|
West |
20.7 (501) |
20.8 (100,542) |
|
Midwest |
21.4 (518) |
21.5 (103,985) |
|
South |
39.6 (958) |
39.6 (191,979) |
|
Northeast |
18.3 (442) |
18.2 (88,022) |
|
Insurance database, % (n) |
|
|
|
Commercial |
27.0 (654) |
100 (484,528) |
|
Medicare fee-for-service |
73.0 (1,773) |
- |
|
Original reason for Medicare entitlement |
||
|
Old age and survivor’s insurance |
47.8 (848) |
- |
|
Disability insurance benefits (DIB) |
51.0 (904) |
- |
|
End-stage renal disease (ESRD) or DIB+ESRD |
1.2 (21) |
- |
SD: Standard Deviation