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Table 6 Subgroup analyses for the association between GI ratio and RPL

From: Insulin resistance in women with recurrent miscarriage: a systematic review and meta-analysis

     

Test for subgroup differences

Subgroup

No. of comparisons

MD (95%CI)

I2 (%)

P-value for heterogeneity

Chi2

P

I2 (%)

Region

 Asia

1

-1.44 [-1.76, -1.12]

  

2.48

0.29

19.2

 America

1

-1.90 [-4.32, 0.52]

     

 Middle East

3

-4.47 [-8.32, -0.61]

94

 < 0.00001

   

Definition of RPL

  >  = 2

3

-5.70 [-10.98, -0.42]

94

 < 0.00001

3.28

0.07

69.5

  >  = 3

2

-0.77 [-1.49, -0.05]

0

0.50

   

Matched confounders

 No

1

-1.44 [-1.76, -1.12]

  

2.02

0.16

50.6

 Yes

4

-3.61 [-6.59, -0.64]

92

 < 0.00001

   

Measurement timing

 During pregnancy

1

-1.44 [-1.76, -1.12]

  

2.02

0.16

50.6

 Not during pregnancy

4

-3.61 [-6.59, -0.64]

92

 < 0.00001

   

Exclusion of known factors

 Yes

1

-16.10 [-21.12, -11.08]

  

33.14

 < 0.00001

97.0

 No

4

-1.34 [-1.63, -1.04]

12

0.33

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