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Table 2 Baseline characteristics of intervention and reference group subjects: descriptive statistics and group comparisons. Values are means ±SD (95 % confidence interval for means)

From: Unexpected perturbations training improves balance control and voluntary stepping times in older adults - a double blind randomized control trial

 

Intervention Group (N = 27)

Control Group (N = 26)

p-value

Age (year)

78.2 ± 5.6

81.4 ± 4.3

0.05

% Female

62 %

79 %

0.25

Number drugs/day

3.3 ± 1.7

4.2 ± 2.4

0.18

Height (cm)

161.5 ± 10.9

154.9 ± 6.9

0.03

Weight (Kg)

70.9 ± 14.9

65.5 ± 12.9

0.23

BMI (Kg /m2)

27.1 ± 4.4

27.8 ± 5.1

0.64

Mini-Mental State Examination

29.1 ± 1.4

28.7 ± 1.4

0.49

Fall efficacy scale

20.5 ± 4.3

22.8 ± 10.3

0.36

POMA score

14.8 ± 1.3

14.7 ± 1.4

0.87

Late life function

 - Overall Function

66.8 ± 9.6

66.5 ± 6.7

0.90

 - Upper Extremity Function

82.9 ± 11.7

79.2 ± 8.0

0.26

 - Basic Lower Extremity Function

82.4 ± 12.4

81.3 ± 13.6

0.79

 - Advanced Lower Extremity Function

59.6 ± 12.4

61.2 ± 10.4

0.66

  1. Note: p-value compares baselines means in the two groups and, unless otherwise indicated, are based on t-test or chi-square. * P-value based on Wilcoxon signed rank test and Mann–Whitney U test. Abbreviations: cm centimeters, Kg Kilograms, Kg/m 2 kg per meter squared