Table 2.

Functional impairment of participants according to the ALSFRS-EX and its domains.

ALSFRS-EXa domain	Maximum reachable points, n	Achieved points, mean (SD)	Relative function, %
Swallowing, speech, and facial expression	16	12.3 (4.0)	76.9
Upper limbs: finger and arm function	16	9.6 (5.0)	58.7
Lower limbs: walking and leg function	16	9.5 (4.9)	59.4
Dyspnea and breathing: respiratory function	12	10.5 (2.2)	83.7
All domains	60	42.9 (11.7)	71.4

^aALSFRS-EX: Amyotrophic Lateral Sclerosis Functional Rating Scale–Extended.