Table 1.

Population characteristics.

	Reference values controls	Alzheimer's dementia	Dementia with Lewy bodies	Fronto‐temporal dementia	Multiple Sclerosis
N	833	293	124	373	75
Age, years mean ± SD	54 ± 14	64 ± 8	69 ± 7	63 ± 8	46 ± 9
Age, years range	19–85	37–81	52–85	26–87	25–68
Female, N (%)	408 (49%)	156 (53%)	12 (10%)	161 (43%)	36 (48%)
Blood NfL, pg/mL mean ± SD	10 ± 7	19 ± 12	20 ± 18	39 ± 57	11 ± 12
Blood NfL, pg/mL range	2–113	5–123	5–160	2–608	2–69
CSF NfL, pg/mL mean ± SD	723 ± 500	1337 ± 1108	1270 ± 1106	3137 ± 2393	1579 ± 2213
CSF NfL, pg/mL range	157–4722	189–13,111	183–7499	548–17,925	465–17,558

SD, standard deviation; NfL, Neurofilament light chain; Blood, EDTAplasma or serum; CSF, cerebrospinal fluid.