From: Assessing stability and change of four performance measures: a longitudinal study evaluating outcome following total hip and knee arthroplasty
n = 150
Mean, SD
Quartiles
Age (yr)
63.7, 10.7
57, 64, 72
Height (m)
1.69, 0.09
1.62, 1.68, 1.76
Weight (kg)
85.5, 15.4
74.3, 83.3, 94.2
Body mass index (kg/m2)
30.0, 4.9
26.3, 28.9, 33.4