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Table 2 Fibromyalgia key symptoms

From: Testing the effects of gentle vibrotactile stimulation on symptom relief in fibromyalgia

All patients (n = 63)

Baseline (Bvs)

Vibrotac. S. (VS)

Baseline (Bsham)

Sham

(Bvs − VS) > (Bsham − Sham)

Pain

71.3 ± 13.1

54.4 ± 23.5

69.9 ± 15.1

62.5 ± 21.0

F = 6.5 p = 0.014

Fatigue

73.8 ± 13.7

53.1 ± 26.4

71.8 ± 15.5

64.3 ± 22.9

F = 12.0 p = 0.001

Cognitive symptoms

65.5 ± 18.1

62.0 ± 21.0

65.8 ± 18.2

64.1 ± 19.4

F = 1.6 p = 0.206

Vibrotactile S first (n = 33)

Baseline (B1)

Vibrotac. S. (VS)

Baseline (B2)

Sham

(B1 − VS) > (B2 − Sham)

Pain

71.2 ± 10.4

48.0 ± 26.1

66.4 ± 16.3

62.8 ± 20.0

t = 4.0 p = 0.0003

Fatigue

74.4 ± 12.5

46.8 ± 27.8

69.1 ± 16.3

65.7 ± 21.9

t = 5.1 p = 0.00001

Cognitive symptoms

66.5 ± 18.0

61.9 ± 22.4

66.4 ± 18.1

63.9 ± 20.3

t = 0.9 p = 0.359

Sham first (n = 30)

Baseline (B1)

Sham

Baseline (B2)

Vibrotac. S. (VS)

(B2 − VS) > (B1 − Sham)

Pain

73.7 ± 12.9

62.2 ± 22.4

71.3 ± 15.7

61.3 ± 18.3

t = − 0.3 p = 0.783

Fatigue

74.7 ± 14.3

62.7 ± 24.2

73.1 ± 15.0

60.1 ± 23.4

t = 0.2 p = 0.842

Cognitive symptoms

65.2 ± 18.6

64.4 ± 18.8

64.4 ± 18.5

62.1 ± 19.7

t = 0.9 p = 0.382

 

(B1 − VS) > (B1 − Sham)

(B2 − VS) > (B2 − Sham)

 

Pain

t = 2.2 p = 0.034

t = 1.5 p = 0.149

 

Fatigue

t = 2.9 p = 0.005

t = 2.3 p = 0.025

 

Cognitive symptoms

t = 1.9 p = 0.071

t = − 0.1 p = 0.911