Table 1.

iperOxSOD1-sALS appears to correlate with bulbar onset

	Total	Men	Women
No. of ALS patients	24 (4 fALS)	12 (2 fALS)	8 (2 fALS)
Age of onset (mean ± SE)	55.0 ± 2.5	55.9 ± 2.2	53 ± 2.8
Illness duration (mo ± SE)	40.5 ± 4.9	42.7 ± 4.7	38.3 ± 5.0
Site of onset	9 LL; 4 UL; 7 B	6 LL; 3 UL; 3 B	2 LL; 2 UL; 4 B
Patients with iperOxSOD1	0 LL; 1 UL; 7 B	0 LL; 0 UL; 3 B	0 LL; 1 UL; 4 B
Response to H2O2	9 LL; 3 UL; 0 B	6 LL; 3 UL; 0 B	2 LL; 2 UL; 0 B

B, bulbar; LL, lower limb; UL, upper limb.