)(#$'")+)$!!)$##'!!).
CTSIB reliability and predictive score data were collected from 100 randomly recruited people.
All test subjects were healthy, active, working people. Medical history was recorded via a confi-
dential questionnaire. The testing and protocol followed IRB approval and was performed on
s
ite.
In addition to the CTSIB, all 100 recruits participated in a Timed Get up and Go (TUG) and Gait
Speed assessment. The TUG and Gait Speed tests are accepted tests for Balance assessment. The
reason for doing the additional tests with the CTSIB was to strengthen the results when a posi-
tive correlation is made between the three accepted standardized assessments. Subjects were
tested initially then again 2 weeks later. A third follow test was administered 3 months later on
27 of the original 100 subjects. This third test was to negate any learning effect in the initial test-
retest (given they were done consecutively with less than 2 weeks between trials).
6D4C:AE:G6(E2E:DE:4D
# ":?:>F> "2I:>F> "62? (E56G:2E:@?
age 100 17.00 72.00 45.4400 10.80621
gender 0
Height (meters) 101 1.45 2.00 1.7263 .11410
Weight (KG) 101 44.09 137.73 81.4784 19.06182
Waist (CM) 59 26.00 44.00 34.4576 4.01000
bmi 101 12.50 44.60 27.3748 5.50826
Valid N (listwise) 0
Reliability: The resultant ICC is .81, which is considered acceptable.
Intraclass Correlation Coefficient
Intraclass Correlation 95% Confidence Interval F Test with True Value 0
Lower Bound Upper Bound Value df1 df2 Sig Lower Bound
Single Measures .668 .573 .745 5.024 161.0 161 .000
Average Measures .801 .729 .854 5.024 161.0 161 .000
Two-way mixed effects model where people effects are random and measures effects are fixed.
a Type C intraclass correlation coefficients using a consistency definition-the between-measure variance is excluded
from the denominator variance.
b The estimator is the same, whether the interaction effect is present or not.
c This estimate is computed assuming the interaction effect is absent, because it is not estimable otherwise.
CTSIB Normative Sway Index ranges are:
Condition 1: Eyes Open firm surface: .21-.48
Condition 2: Eyes closed firm surface: .48-.99
Condition 3: Visual conflict firm surface: .46-.88
Condition 4: Eyes Open foam surface: .38-.71
Condition 5: Eyes Closed foam surface: 1.07-2.22
Condition 6: Visual conflict foam surface: .84-1.47
APPENDIX C
— C-1 — APPENDIX C
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