Page 103 - REV T-I JOURNAL INTERIOR ISSUU 18 2-3

ADJUSTABLE ABOVE-KNEE PROSTHETIC INTERFACE 179

vide insight into cardiorespiratory and func- approach. Repeated measures assessment was selected
tional capacity and determine walking speed to determine differences across assessment sessions
d. The Amputee Mobility Predictor (AMP): an and between conditions. Additionally, differences
instrument used to determine mobility and were assessed at individual volume points (i.e., depen-
ambulatory status for amputees dent, between-group comparison tests) as well as
e. Socket Comfort Score (SCS): a valid, reliable, cumulatively across conditions. Parametric tests were
and sensitive assessment between practitioner used when possible (i.e., normal distribution); other-
and patient that indicates comfort and the need wise, non-parametric equivalent tests were selected.
for interface adjustments (19) Statistical significance was set a priori at p ≤ 0.05. It
f. Pain Scale: a valid and reliable tool for deter- must be noted that the use of statistical analysis with
mining the severity of specific types of pain case studies is not novel, but it is also not a commonly
accepted practice. However, at times, data generation
Data Analyses from case studies may be mathematically conducive
Data were entered into a database and analyzed to analyses that may provide insight into a magni-
for normality and completeness. Central tendency, tutde of effect that could be useful for power and
variance, and percent differences were calculated sample estimates for future expanded research with
where possible. The analysis included a two-part the intervention (20).

Figure 2. Results for: Socket Comfort Score (SCS), 2-Minute Walk Test (2MWT), 4 Square Step Test (4SST), and L Test.
*Statistical significance p ≤ 0.05, NT = not tested due to missing data.