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Table 2 Comparative effects of vibratory (N = 14) and walking-based exercise (N = 14) programs in postmenopausal women.

From: Low-frequency vibratory exercise reduces the risk of bone fracture more than walking: a randomized controlled trial

  

Baseline

Change to 8 months

Treatment effect

P†

  

Mean (SD)

Mean (95%CI)

Mean (95%CI)

 

BMD (gr·m-2)

     

Lumbar spine

Vibratory

0.95 (0.12)

-0.01 (-0.04 to 0.02)

0.00 (-0.03 to 0.03)

.983

 

Walking

0.83 (0.13)

-0.01 (-0.02 to 0.01)

  

Femoral neck

Vibratory

0.79 (0.10)

0.02 (-0.01 to 0.04)

0.03 (0.01 to 0.06)

.011

 

Walking

0.78 (0.13)

-0.02 (-0.03 to 0.00)

  

Trochanter

Vibratory

0.68 (0.08)

0.01 (-0.01 to 0.02)

0.02 (-0.01 to 0.04)

.084

 

Walking

0.60 (0.10)

-0.01 (-0.02 to 0.02)

  

Ward's triangle

Vibratory

0.63 (0.11)

0.04 (-0.01 to 0.09)

0.03 (-0.02 to 0.09)

.070

 

Walking

0.58 (0.12)

0.01 (-0.02 to 0.02)

  

Balance (trials)

Vibratory

9.4 (5.1)

-2.7 (-5.7 to -0.1)

-3.2 (-6.3 to -0.2)

.023

 

Walking

11.3 (3.9)

0.5 (-0.9 to 0.6)

  

BMI (kg/m2)

Vibratory

28.8 (4.3)

-0.90 (-1.8 to -0.1)

-0.8 (-1.7 to 0.0)

.049

 

Walking

27.3 (2.9)

-0.1 (-0.3 to 0.2)

  
  1. BMD = Bone mineral density; BMI = Body mass index.
  2. * Values expressed as mean (SD) with the 95% confidence intervals.
  3. † P values of ANOVA for repeated measures, adjusted by baseline data and age to compare differences between groups at 8 months