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Table 2 – Baseline data of subjects in both WBV and control groups

From: Effects of 3 months of short sessions of controlled whole body vibrations on the risk of falls among nursing home residents

Parameter

n

WBV

n

Control

p-value

Tinetti Test

     

 Balance (score /16)

31

13.6 ± 2.06

30

12.9 ± 2.63

.26

 Gait (score /12)

31

9.35 ± 2.30

 

9.27 ± 2.23

.88

 Tinetti total (score /28)

31

22.9 ± 3.99

 

22.2 ± 4.25

.47

Timed Up and Go test (seconds)

31

19.0 (14.6-27.9)

30

19.1 (13.2-26.6)

.76

Locometrix ® test

     

Gait speed (meter/second)

     

 Simple task

13

0.90 ± 0.21

14

0.93 ± 0.24

.77

 Dual task

10

0.70 ± 0.23

12

0.76 ± 0.21

.51

 P-Value

 

.01

 

<.01

 

Stride frequency (cycle/second)

     

 Simple task

13

1.05 ± 0.20

14

1.07 ± 0.26

.82

 Dual task

10

0.82 ± 0.30

12

0.89 ± 0.23

.56

 P-Value

 

.07

 

.08

 

Stride length (meter)

     

 Simple task

13

0.86 ± 0.10

14

0.88 ± 0.18

.65

 Dual task

10

0.89 ± 0.20

12

0.86 ± 0.10

.63

 P-Value

 

.65

 

.95

 

Stride symmetry (arb. unit.)

     

 Simple task

13

199.6 ± 51.3

14

183.6 ± 55.2

.44

 Dual task

10

159.5 ± 66.8

12

194.9 ± 38.9

.14

 P-Value

 

.24

 

.57

 

Stride regularity (arb. unit.)

     

 Simple task

13

200.6 ± 41.1

14

206.0 ± 64.0

.80

 Dual task

10

149.4 ± 77.1

12

143.8 ± 68.4

.86

 P-Value

 

.03

 

<.01

 

Cranio-caudal mechanic power

     

(Watts/kg)

13

0.70 (0.58-1.20)

14

1.00 (0.63-2.36)

.62

 Simple task

10

0.63 (0.40-1.09)

12

0.66 (0.38-1.23)

.77

 Dual task

 

.01

 

.01

 

 P-Value

     

Antero-posterior mechanic power

     

(Watts/kg)

13

0.47 (0.35-0.83)

14

0.58 (0.31-0.69)

.94

 Simple task

 

0.44 (0.29-0.78)

 

0.38 (0.29-0.54)

 

 Dual task

 

.33

 

.05

 

 P-Value

10

 

12

 

.77

Medio-lateral mechanic power

     

(Watts/kg)

13

0.45 (0.25-0.55)

14

0.39 (0.29-0.96)

.65

 Simple task

10

0.41 (0.22-0.72)

12

0.38 (0.23-0.72)

.97

 Dual task

 

.21

 

.08

 

 P-Value

     

Counting speed (number/second)

     

 Simple task

10

0.89 ± 0.84

12

1.01 ± 0.22

.24

 Dual task

10

0.69 ± 0.30

12

0.76 ± 0.28

.55

 P-Value

 

<.01

 

<.01

 
  1. WBV = Whole Body Vibration.