Table 1 Number of falls and non-falls and their rates as a function of the three speeds and two durations.

From: The effects of perturbation intensities on backward slip-falls induced by a split-belt treadmill

Speed

Duration

Fall (n)

Non-fall (n)

Total (n)

Fall rate (%)

0.5×PWS

300 ms

25

23

48

52.08

500 ms

27

21

48

56.25

1×PWS

300 ms

38

10

48

79.17

500 ms

42

6

48

87.50

2×PWS

300 ms

40

8

48

83.33

500 ms

47

1

48

97.92

Total

219

69

288

76.04