Table 3.

Intervention details

	SPTT (N = 25)	Standard PT (N = 26)	p-value
Number of PT Sessions
Mean	5.84	7.38	0.20
Range	1 - 19	3 - 17
Average Session Duration (min)
Mean	44.25	42.75	0.17
Mean Baseline Trip Level*	2.44	NA
Mean Final Trip Level	3.44	NA

* In the Surface-Perturbation Treadmill Training group, Trip level ranging from 1 (mildest) to 5 (most vigorous) refers to the magnitude of the perturbation successfully overcome without a step during that training session.