SPP1 |
Patients | 65 | 43 | 107 | 68 | 53 |
Wheelchair dependent | 47 | 43 | 107 | 45 | 46 |
Mean birth year | 1993 | 1989 | 1989 | 1995 | 1995 |
Steroid use |
Yes | 27 | 13 | 7 | 34 | 21 |
No | 38 | 30 | 100 | 34 | 32 |
Mean age of ambulation loss in non-ambulant patients (years) |
Overall | 9.6 | 10.1 | 9.5 | 10.5 | 10.8 |
Steroid treated | 10.5 | 11.5 | 9.8 | 12.1 | 11.6 |
Non-steroid treated | 9.2 | 9.4 | 9.5 | 9.7 | 10.3 |
SNP frequencies |
TT | 52.3 | 65.1 | 61.7 | 64.7 | 62.3 |
GT/GG | 47.7 | 34.9 | 38.3 | 35.3 | 37.7 |
LTBP4 |
Patients | 63 | 43 | 38 | 69 | 52 |
Wheelchair dependent | 46 | 43 | 38 | 46 | 45 |
Mean birth year | 1993 | 1989 | 1987 | 1995 | 1995 |
Steroid use |
Yes | 27 | 13 | 2 | 34 | 20 |
No | 36 | 30 | 36 | 35 | 32 |
Mean age of ambulation loss in non-ambulant patients (years) |
Overall | 9.6 | 10.1 | 9.5 | 10.6 | 10.8 |
Steroid treated | 10.5 | 11.5 | 8.6 | 12.1 | 11.7 |
Non-steroid treated | 9.1 | 9.4 | 9.6 | 9.8 | 10.3 |
Haplotype frequencies |
VTTT | 52.0 | 49.3 | 51.2 | 47.6 | 41.9 |
IAAM | 30.6 | 28.8 | 29.8 | 37.4 | 47.0 |
Other | 17.4 | 21.9 | 19.0 | 15.0 | 11.1 |