Table 2.

Falls between groups

	PBT	Control	P values
Intent-to-treat analysis
Participants (number)	41	42
Participants reporting ≥1 fall (number)	19	23	0.44
Falls (total number)	53	64
Falls (number per person-year)	1.45	1.72	0.63
Per-protocol analysis
Participants (number)	32	34
Participants reporting ≥1 fall (number)	14	20	0.25
Falls (total number)	32	57
Falls (number per person-year)	1.07	1.75	0.20

Values presented are absolute number of participants or rate of falls per person-year. The p value is for the difference in falls or fall rates from logistic regression or negative binomial regression, respectively.

PBT, perturbation-based balance training.