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. Author manuscript; available in PMC: 2023 Dec 27.

Published in final edited form as: Sci Total Environ. 2022 Jan 15;819:153096. doi: 10.1016/j.scitotenv.2022.153096

Table 1.

SYMPHONY population characteristics.

		Controls	ALS patients	p-Value
		N = 78,597 (%)	N = 26,199 (%)	p-Value

Age	<45	5823 (7.4)	1941 (7.4)	1
	45–55	12,816 (16.3)	4272 (16.3)
	55–65	24,561 (31.2)	8187 (31.2)
	65–75	25,269 (32.2)	8423 (32.2)
	75 +	10,128 (12.9)	3376 (12.9)
Sex	Female	33,264 (42.3)	11,286 (43.1)	0.033
	Male	45,328 (57.7)	14,912 (56.9)