Table 1. Demographics of the subjects for methylation and expression profiling of postmortem spinal cord.
| Characteristics | sALS group | Control group | p-value | |
| Number of subjects | 12 | 11 | – | |
| Age (years)(a) | 55 (35–71) | 55 (36–73) | NS | |
| Gender | Male | 9 | 9 | NS |
| Female | 3 | 2 | – | |
| Spinal cord location | Cervical | 9 | 7 | NS |
| Thoracic | 3 | 4 | NS | |
| Onset | Bulbar | 1 | 0 | – |
| Limb | 6 | 0 | – | |
| NA | 4 | 0 | – | |
| Postmortem interval (hours)(b) | 14.5±7.0 | 15.2±6.2 | NS | |
| Cause of death | ALS | 11 | 0 | <0.001 |
| Accident | 0 | 2 | – | |
| PC | 0 | 2 | – | |
| ASCVD | 0 | 5 | – | |
| Cancer | 0 | 1 | – | |
| Cardiac arrest | 0 | 1 | – |
(a) median (range); (b) mean ± standard deviation; PC, pulmonary complications; ASCVD, atherosclerotic cardiovascular disease; NS, not significant; NA, no data available.