Table 3.

Comparison of Change in Scores Between Baseline and End of Treatment Within the Treatment Groups^a

	Perturbation Training				Usual Treatment				Difference in Changes  Between Treatment Groups
Variable	No.	Mean Change	SD	P value	No.	Mean Change	SD	P value	Delta (95% CI)	P value
ABC	177	11.1	16.1	<.0001	168	12.1	17.3	<.0001	−1.0 (−4.5 to 2.6)	.58
BBS	175	6.0	5.2	<.0001	180	5.8	5.2	<.0001	0.2 (−0.9 to 1.3)	.76
DGI	172	3.3	5.7	<.0001	177	3.78	3.4	<.0001	−0.5 (−1.5 to 0.5)	.33
TUG	149	−2.0 secs	3.2	<.0001	153	−2.9 secs	3.9	<.0001	0.2 (−0.6 to 1.0)	.59

^a ABC = Activities-specific Balance Confidence Scale; BBS = Berg Balance Measure; DGI = Dynamic Gait Index; TUG = Timed Up & Go Test.