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Table 4 Outcome measures

From: Efficacy of whole body vibration therapy on pain and functional ability in people with non-specific low back pain: a systematic review

Authors

Instrument

Outcome measure

CG baseline

CG after treatment

EG baseline

EG after treatment

Treatment effect

Reported effect

1. Ruan et al. (2008) [24]

Dual-energy bone densitometers

Lumbar BMD

0.760 ± 0.053

0.755 ± 0.033

0.836 ± 0.022

0.847 ± 0.021

 

Δ

 

0.746 ± 0.035

 

0.872 ± 0.024

 

Δ#

Femoral neck BMD

0.583 ± 0.095

0.575 ± 0.089

0.666 ± 0.100

0.069 ± 0.103

 

=

 

0.573 ± 0.099

 

0.687 ± 0.106

 

Δ#

Visual analogue scale

Chronic back pain

3.11 ± 2.29

3.25 ± 2.18

3.21 ± 2.36

1.78 ± 2.05

 

Δ↑

 

3.50 ± 2.12

 

1.35 ± 1.92

 

Δ↑

2. Pozo-Cruz et al. (2011) [25]

The Roland Morris Questionnaire

NCLBP- associated disability

12.44 ± 4.46

12.40 ± 4.50

11.63 ± 8.35

10. 47 ± 8.68

−1.12

Δ↑

Oswestry Disability Index (%)

29.16 ± 15.78

29.24 ± 15.64

26.50 ± 17.00

20.28 ± 10.89

−6.3

Δ↑

EuroQol 5D-3 L

HRQoL (tto)

0.69 ± 0.03

0.68 ± 0.18

0.71 ± 0.05

0.76 ± 0.23

0.06

Δ↑

VAS back (0–100 points)

Pain

39.54 ± 13.26

39.68 ± 14.77

38.36 ± 15.85

29.00 ± 13.02

−9.40

Δ↑

3. Rittweger et al. (2002) [26]

Visual analog scale

Pain Sensation

4.52 ± 1.7

1.20 ± 1.76

4.16 ± 1.86

1.40 ± 1.83

 

Δ#

Pain disability index

Pain-Related Limitation

20.3 ± 9.9

10.5 ± 12.8

20.7 ± 14.3

11.6 ± 11.1

 

Δ#

 

12.0 ± 12.4

 

14.8 ± 13.6

 

Δ#

4. Yang et al. (2015) [27]

Tetrax

Fall index

23.40 ± 12.73

21.69 ± 12.68

30.59 ± 14.97

12.80 ± 10.39

 

Δ↑

Korean Oswestry disability index

Disability index

15.30 ± 7.57

12.80 ± 5.67

17.85 ± 11.09

12.45 ± 6.06

 

Δ#

100 mm visual analogue scale

Pain

5.25 ± 1.12

3.50 ± 0.76

5.60 ± 1.60

2.70 ± 1.26

 

Δ#↑

5. Kaeding et al. (2017) [28]

The Roland Morris Questionnaire

Disability index

3.5 ± 2.3

4.0 ± 2.4

4.0 ± 3.8

2.3 ± 2.9

 

Δ↑*

Oswestry Disability Index

Disability index

15.7 ± 7.1

17.3 ± 6.8

17.2 ± 9.2

12.3 ± 7.4

 

Δ↑

SF-36 (physical)

Quality of life

47.5 ± 4.2

43.8 ± 9.3

45.0 ± 8.6

48.1 ± 8.0

 

Δ↑

6. Wegener et al. (2019) [29]

NASS-LS lumbar pain subscale

Pain

2.9 ± 0.5

2.5 ± 0.8

2.6 ± 0.6

2.6 ± 0.7

 

=

Oswestry Disability Index

NCLBP- associated

20.7 ± 11.4

16.6 ± 12.3

18.1 ± 12.0

17.1 ± 11.9

 

=

SF-36 physical summary

disability

Quality of life

39.5 ± 9.1

41.4 ± 8.3

37.9 ± 7.5

40.7 ± 8.2

 

=

7. Wang et al. (2019) [30]

Visual analogue scale

Pain

4.05 (3.83, 4.29)

3.87 (3.53, 4.21)

4.39 (4.16, 4.61)

2.87 (2.53, 3.21)

−1

Δ ↑

Oswestry Disability Index

Functional disability

32.18 (29.91, 34.5)

23.27 (21.47, 25.07)

32.46 (30.22, 34.71)

19.46 (17.69, 21.24)

−3.81

Δ ↑

SF-36 (physical functioning)

Quality of life

77.81 (75.79, 79.83)

81.39 (79.21, 83.57)

75 (73.03, 77.02)

83.3 (81.15, 85.45)

1.91

Δ ↑

  1. Values are recorded as mean (SD) or mean (95% CI)
  2. =:no significant difference relative to baseline and/or the control group
  3. ↑: statistically significant improvement in the WBV group relative to the control group
  4. Δ: statistically significant improvement in the WBV group relative to baseline
  5. #: statistically significant improvement in the control group relative to baseline
  6. *Intention-to-treat analysis