Table 1
Long survivors compared with the remaining database population and short survivor group
| Variable | Category | LS (n=30) | SS (n=30) | RP (n=709) | p LS v RP | p LS v SS |
|---|---|---|---|---|---|---|
| *p<0.05 after the Bonferroni correction applied to values shown. LS, long survivors; SS, short survivors; RP, remaining patients; BO, bulbar onset; UL, upper limb; LL, lower limb. | ||||||
| Survival at census | Alive | 21 | 0 | 177 | ||
| Dead | 9 | 30 | 532 | |||
| Sex | Male | 18 | 16 | 442 | ||
| Female | 12 | 14 | 267 | 0.796 | 0.602 | |
| El Escorial category | Definite | 7 | 15 | 185 | ||
| Probable | 7 | 8 | 270 | |||
| Possible | 12 | 4 | 174 | |||
| Suspected | 4 | 3 | 77 | |||
| Not known | 0 | 0 | 3 | 0.279 | 0.067 | |
| Mixed v pure signs | Mixed | 21 | 27 | 614 | ||
| LMN only | 4 | 3 | 78 | |||
| UMN only | 5 | 0 | 17 | 0.001* | 0.056 | |
| Site of onset | BO | 7 | 10 | 187 | ||
| UL | 10 | 10 | 265 | |||
| LL | 13 | 10 | 255 | |||
| Trunk | 0 | 0 | 1 | |||
| Not known | 0 | 0 | 1 | 0.782 | 0.631 | |
| Age of onset (mean in years) | 43 | 62 | 57 | <0.001* | <0.001* | |
