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Demographic description of SALS patients and control subjects in Han Chinese
| Items | SALS (n = 953) | Control (n = 1039) |
|---|---|---|
| Male, n (%) | 617 (64.74) | 659 (63.43) |
| Female, n (%) | 336 (35.26) | 380 (36.57) |
| Age on set (years), mean±SD | 50.91 ± 12.00 | 50.24 ± 14.96 |
| Spinal onset, n (%) | 820 (86.04) | – |
| Bulbar onset, n (%) | 133 (13.96) | – |
–: Data not applicable; SALS: Sporadic amyotrophic lateral sclerosis; SD: Standard deviation.
