Postural Stability Characteristics of Transtibial Amputees Wearing Different Prosthetic Foot Types When Standing on Various Support Surfaces

Table 1

Clinical and demographic characteristics of participants.

Characteristics	Amputees	Able-bodied	𝑃 value
Mean ± SD age (years)	44.8 ± 13.5	44.1 ± 14.04	0.91
Mean ± SD height (m)	1.70 ± 0.06	1.66 ± 0.05	0.15
Mean ± SD weight (kg)	77.0 ± 17.9	73.9 ± 8.7	0.68
Sex (Male)	Ten	Nine
Time after amputation (years)	7.1 ± 6.6
Amputation cause	Five vascular, four trauma, and one tumor
Mobility grade^†	Five K2, Five K3
Prosthetic foot	Seven single-axis
	Three energy-saving-and-return
Suspension	Three PTBs with pelite liner
	Seven TSBs with pin lock
Houghton Scale (mean ± SD)	10.5 ± 0.9
BBS (total 56)	52.9 ± 4.9	56	0.08

†Based on Medicare K-level.
PTB: Patellar tendon bearing socket, TSB: Total surface bearing socket, and BBS: Berg Balance Score. Statistical significance of differences between the study groups was set as 𝑃<0.05.