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Table 2 Participants' characteristics at baseline.

From: The feasibility of whole body vibration in institutionalised elderly persons and its influence on muscle performance, balance and mobility: a randomised controlled trial [ISRCTN62535013]

Parameter WBV+ Control N = 11 pb pc
  Initial Randomisation (N = 13) Reassessed at 6 weeks (N = 10)    
Gender (M/F) 5/8 4/6 4/7 - -
Age (years) 76.6 ± 11.8 76.3 ± 9.7 78.6 ± 10.4 .943 .849
Weight (kg) 63.5 ± 14.3 66.7 ± 13.8 63.2 ± 21.1 .898 .592
Height (m) 1.61 ± 0.12 1.63 ± 0.09 1.63 ± 0.09 .787 .987
BMI (kg/m2) 24.3 ± 3.7 25.1 ± 3.8 25.2 ± 5.5 .776 .557
Waist-Hip index 0.92 ± 0.09 0.92 ± 0.09 0.91 ± 0.11 .459 .557
Whole-body muscle mass (kg) 24.5 ± 6.4 25.7 ± 5.6 27.1 ± 9.2 .691 1
Diagnoses (number) 3.2 ± 1.0 3.1 ± 1.0 2.9 ± 0.8 .502 .725
Medications (number) 5.6 ± 1.7 5.8 ± 1.6 4.7 ± 1.7 .227 .164
OA/B a (number) 10/3 7/3 8/3 - -
  1. aADL-category according to Katz et al. [13]. Mann-Whitney U Test (exact 2-tailed significance) Control versus WBV+ binitial randomisation creassessed at 6 weeks. Values represent number or mean ± SD.