Table 2.

Annual incidence rates for ALS cases diagnosed in a 3-year period in the Atlanta metropolitan area, 2009–2011 (n=155).

	2009		2010		2011		2009–2011
Characteristic	Cases	Incidence	Cases	Incidence	Cases	Incidence	Average Incidence per 100,000 person years
Sex
Male	31	1.90	32	1.96	29	1.77	1.88
Female	19	1.10	24	1.39	20	1.16	1.21
Race*
White	36	2.33	42	2.72	36	2.33	2.46
Black	12	0.91	13	0.99	12	0.91	0.94
Asian	2	0.93	1	0.46	1	0.46	0.62
Ethnicity**
Hispanic	0	0.00	2	0.47	4	0.95	0.47
Non-Hispanic	50	1.70	52	1.77	45	1.53	1.66
Total	50	1.49	56	1.66	49	1.46	1.54

^*Excludes unknown and other race (n=13).

^**Excludes unknown ethnicity (n=22).