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Table 2 Mean (SD) sway measures (mm) for young and older participants, as determined from Swaymeter recordings.

From: Validity and reliability of the Swaymeter device for measuring postural sway

 

Young (n = 11)

 

Old (n = 29)

 

Floor

 

Foam

 

Floor

 

Foam

 

Eyes open

Eyes closed

 

Eyes open

Eyes closed

 

Eyes open

Eyes closed

 

Eyes open

Eyes closed

AP displacement

15.98

(5.35)

19.17

(8.71)

 

22.86

(10.11)

33.48

(13.45)

 

20.36+

(6.99)

26.09*

(10.79)

 

25.90

(7.86)

46.80*

(19.51)

ML displacement

12.61

(5.24)

15.64

(8.54)

 

19.83

(6.31)

29.17

(10.64)

 

23.08*

(11.50)

27.07*

(15.43)

 

32.93*

(17.79)

52.02*

(23.42)

Path length

59.33

(25.98)

83.97

(34.08)

 

108.27

(46.72)

195.03

(51.81)

 

106.00*

(44.96)

135.08*

(62.91)

 

186.54*

(74.25)

359.36*

(169.72)

  1. *significantly different to Young (p < 0.01)
  2. +significantly different to Young (p < 0.05)