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Table 4 Between-group and within-group comparisons of ROM (N = 32)

From: Effect of low-magnitude, variable-frequency vibration therapy on pain threshold levels and mobility in adults with moderate knee osteoarthritis—randomized controlled trial

Groups n = 32

Baseline

The last session

(15th session)

Follow up

Within-group comparisonb

Baseline vs the last session

Baseline vs follow up

Group 1 (n = 16)a

102.94 ± 24.48 (18.09–37.89)

108.88 ± 19.05 (14.07–29.48)

107.00 ± 16.47 (12.17–25.49)

5.94 (< 0.01)

4.06 (> 0.05)

Group 2 (n = 16)a

107.50 ± 17.03 (12.58–26.36)

107.19 ± 14.94 (11.04–23.12)

108.13 ± 12.63 (9.33–19.55)

-0.31 (> 0.05)

0.63 (> 0.05)

Between-group comparison(p-value)

-4.56 (> 0.05)

1.69 (> 0.05)

-1.13 (> 0.05)

  
  1. aValues presented as mean ± standard deviation (95% CI)
  2. bValues presented as mean difference