From: Eye-tracking control of an adjustable electric bed: construction and validation by immobile patients with multiple sclerosis
Age
Group
Sex
N
Median (years)
Low quartile (years)
Upper quartile (years)
Controls
F
15
34.0
21.0
49.0
M
11
52.0
43.0
61.0
Patients
9
60.0
54.0
65.0
8
63.5
61.5
67.3