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Table 3 Between-group and within-group comparisons of Laitinen (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

6.06 ± 2.05 (1.51–3.17)

3.81 ± 1.56 (1.15–2.41)

3.88 ± 2.31 (1.70–3.57)

2.25 (< 0.002)

2.18 (< 0.009)

Group 2 (n = 16)a

5.44 ± 1.86 (1.37–2.88)

4.06 ± 1.65 (1.22–2.56)

4.19 ± 1.28 (0.94–1.98)

1.38 (< 0.04)

1.25 (< 0.04)

Between-group comparisonb (p-value)

2.18 (> 0.05)

-4.47 (> 0.05)

-0.11 (> 0.05)

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