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Table 4 Results of the subgroup analysis of microarchitectural changes in the mandible of OVX rats

From: Microarchitectural changes in the mandibles of ovariectomized rats: a systematic review and meta-analysis

Moderator

Number of studies

SMD (95% CI)

I2

P-value of Z

Between-subgroup difference

Q statistic

P-value

BV/TV

 Strain

  Fischer

1

-4.00 (-6.25, -1.74)

-

-

0.92

0.82

  Lewis-Brown-Norway

1

-1.48 (-2.40, -0.55)

-

-

  Sprague-Dawley

5

-2.75 (-4.84, -0.66)

89%

0.01

  Wistar

2

-1.92 (-2.92, -0.92)

0%

<0.001

 ROI

  Mandibular body

4

-1.12 (-2.10, -0.13)

72%

0.026

13.89

0.001

  Mandibular condyle

1

-5.13 (-7.12, -3.15)

-

-

  M1 interradicular septum

4

-3.29 (-4.34, -2.25)

5%

<0.001

 Quality

  High

5

-3.19 (-4.62, -1.76)

74%

0.052

3.02

0.082

  Low

4

-1.37 (-2.75, 0.01)

77%

<0.001

Tb.Th

 Strain

  Fischer

1

-2.38 (-4.01, -0.76)

-

-

0.59

0.899

  Lewis-Brown-Norway

1

-1.71 (-2.67, -0.75)

-

-

  Sprague-Dawley

5

-2.04 (-3.63, -0.43)

85%

0.013

  Wistar

2

-1.12 (-1.98, -0.23)

0%

0.01

 ROI

  Mandibular body

4

-0.94 (-1.88, 0.00)

71%

0.05

9.18

0.01

  Mandibular condyle

1

-4.06 (-5.72, -2.41)

-

-

  M1 interradicular septum

4

-2.10 (-2.88, -1.32)

0%

<0.001

 Quality

  High

5

-2.15 (-3.16, -1.13)

65%

<0.001

1.47

0.226

  Low

4

-1.18 (-2.44, 0.08)

74%

0.067

Tb.Sp

 Strain

  Fischer

1

2.13 (0.59, 3.66)

-

-

0.55

0.908

  Lewis-Brown-Norway

1

1.72 (0.76, 2.68)

-

-

  Sprague-Dawley

5

1.89 ( 0.75, 3.04)

71%

0.001

  Wistar

2

1.22 (0.28, 2.15)

12%

0.011

 ROI

  Mandibular body

4

1.17 (0.61, 1.73)

19%

<0.001

10.5

0.005

  Mandibular condyle

1

3.78 (2.21, 5.35)

-

-

  M1 interradicular septum

4

1.83 (1.08, 2.58)

0%

<0.001

 Quality

  High

5

1.85 (0.98, 2.73)

58%

<0.001

0.39

0.533

  Low

4

1.41 (0.51, 2.31)

47%

0.002

Tb.N

 Strain

  Fischer

1

-4.04 (-6.31, -1.76)

-

-

5.92

0.051

  Sprague-Dawley

4

-0.04 ( -1.45, 1.36)

80%

0.955

  Wistar

2

-0.02 (-0.79, 0.76)

0%

0.97

 ROI

  Mandibular body

3

-0.86 (-1.62, -0.10)

40%

0.190

0.57

0.451

  M1 interradicular septum

4

-0.06 (-1.99, 1.87)

83%

0.845

 Quality

  High

4

-1.09 (-2.73, 0.55)

85%

0.193

1.58

0.209

  Low

3

0.20 (-1.02, 1.43)

59%

0.744

BMD

 Strain

  Fischer

1

0.38 (-0.61, 1.37)

-

-

1.97

0.373

  Sprague-Dawley

6

-1.35 (-2.33, -0.37)

62%

0.007

  Wistar

3

-0.76 (-2.26, 0.74)

81%

0.323

 ROI

  Mandibular body

3

-0.60 (-1.56, 0.37)

40%

0.225

7.91

0.048

  Mandibular condyle

2

-0.57 (-2.53, 1.40)

81%

0.572

  Entire mandible

1

-0.78 (-0.42, 1.97)

-

0.201

  M1 interradicular septum

4

-1.93 (-2.79, -1.08)

29%

<0.001

 Quality

  High

4

-0.95 (-2.67, 0.76)

86%

0.225

0.01

0.915

  Low

6

-0.93 (-1.64, -0.22)

42%

0.572

  1. OVX ovariectomy, SMD standardized mean difference, CI confidence interval, BV/TV trabecular bone volume fraction, Tb.Th trabecular thickness, Tb.Sp trabecular separation, Tb.N trabecular number, BMD bone mineral density, ROI region of interest, M1 first molar