DePasquale, L, Toscano, L. The Spring Scale Test (SST): A Valid and Reliable Tool
for Explaining Fall History. The Journal of Geriatric Physical Therapy, 2009, 32(4), 159-167.
- Excellent same-day test-retest reliability (ICC = 0.94)
- Method error (ME = .74), Coefficient of variation (MEcv = 7.25%), which confirms a change of one pound is real change
- A change of one pound is significant and clinically meaningful for body weight values up to 140 pounds. A change of two pounds would be meaningful for body weight values > 140 pounds.
Spring Scale Test® (SST®) 10% TBW performance value:
- Sensitivity (93%), Specificity (96.6%)
- ROC Area Under the Curve (AUC = 0.992)
- Highest level of discrimination to fall status compared to the TUGT, gait speed, single limb stand test and tandem stand test
- Logistic regression supports the efficiency of the RIPPS® 10% TBW performance measure for identifying fall history in the sample studied
- Faller mean % TBW 7.5 (1.4)
- Non-faller mean % TBW 12.3 (1.7)
ROC and TBW Charts
See the RIPPS Balance Method
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