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Table 4 Changes from baseline to 9 months in balance related outcomes based on a subgroup of patients randomized to usual care and Tai Chi.

From: Impact of Tai Chi exercise on multiple fracture-related risk factors in post-menopausal osteopenic women: a pilot pragmatic, randomized trial

Variable Usual Care (n = 7) Tai Chi (n = 8) P-Values*
  Baseline 9 Months Baseline 9 Months  
Biomotion sway parameters
Avg. sway velocity (mean ± SD) (mm/sec) % change (median [Q1, Q3]) 10.75 ± 3.29 12.55 ± 5.26 0.92 (0.01, 2.49) 9.30 + 1.83 9.01 ± 1.83 -0.24 (-0.66, 0.51) P = 0.027
AP sway range (mean ± SD) (mm) % change (median [Q1, Q3]) 22.53 ± 7.56 25.14 ± 9.86 2.27 (-1.55, 4.95) 24.45 ± 4.92 21.49 ± 5.41 -3.19 (-4.58, -1.88) P = 0.014
Stabilogram ellipse area (mean ± SD) (mm2) % change (median [Q1, Q3]) 184.6 ± 180.2 234.5 ± 254.5 31.73 (8.08, 41.27) 155.4 ± 62.4 134.1 ± 71.2 -37.72 (-59.59, -29.40) P = 0.060
Clinical Balance and Function Test
Tandem walk (sec) % change (median [Q1, Q3]) 34.43 ± 9.14 31.37 ± 12.48 -1.82 (-9.86, 2.42) 42.75 ± 8.51 33.25 ± 7.82 -8.83 (-13.8, -5.46) P = 0.116
Repeated chair rise (sec) % change (median [Q1, Q3]) 25.95 ± 6.55 23.91 ± 2.37 2.40 (-7.26, 2.93) 26.47 ± 4.39 23.73 ± 2.77 -2.39 (-4.97, -0.87) P = 0.232
  1. Baseline and 9 month values represent mean values ± standard deviations. Change scores are summarized with median values and 25th (Q1) and 75th (Q3) percentiles. P-values indicate comparisons between Usual Care ground and Tai Chi, based on the Wilcoxon rank sum test.