TABLE 3.

Demographics of ALS CSF samples

	Age at sample collection [mean (SD)]	Disease duration in months [mean (SD)]	ALSFRS‐R total score [mean (SD)]	Pre‐baseline ALSFRS‐R slope [mean (SD)]
Visit 1 (n = 40)	52.41 (12.32)	25.32 (22.56)	37.92 (6.41)	0.55 (0.47)
Visit 2 (n = 26)	56.52 (11.18)	34.04 (26.27)	36.00 (6.82)	0.40 (0.25)
Visit 3 (n = 22)	55.82 (10.81)	40.06 (28.55)	34.27 (6.74)	0.37 (0.26)
Visit 4 (n = 16)	58.25 (8.91)	51.03 (32.85)	32.94 (8.19)	0.32 (0.24)
Visit 5 (n = 12)	55.59 (11.32)	53.41 (29.61)	30.75 (5.40)	0.30 (0.16)
Visit 6 (n = 10)	54.87 (11.11)	54.87 (11.11)	27.70 (7.13)	0.26 (0.14)
Visit 7 (n = 5)	62.08 (11.47)	56.88 (17.45)	25.40 (8.68)	0.30 (0.19)