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Table 3 Analysis of association studies between the DRD2 gene C957T polymorphism and schizophrenia by populations

From: The role of C957T, TaqI and Ser311Cys polymorphisms of the DRD2 gene in schizophrenia: systematic review and meta-analysis

Model analysis

Model effects

p value of Q test

Random

OR (95% CI)

Fixed

OR (95% CI)

All populations

 Allelic

With heterogeneity

0.92 (0.81–1.05)

0.93 (0.87–0.98)

<0.00

Without heterogeneity

1.03 (0.93–1.15)

1.03 (0.93–1.15)

0.595

 Additive

With heterogeneity

0.77 (0.57–1.05)

0.76 (0.65–0.89)

<0.00

Without heterogeneity

0.75 (0.58–0.97)

0.74 (0.61–0.91)

0.151

 Recessive

With heterogeneity

0.84 (0.66–1.06)

0.82 (0.72–0.94)

<0.00

Without heterogeneity

0.79 (0.64–0.98)

0.78 (0.66–0.92)

0.211

 Dominant

With heterogeneity

0.91 (0.78–1.05)

0.94 (0.88–1.01)

<0.00

Without heterogeneity

0.89 (0.77–1.03)

0.89 (0.78–1.02)

0.308

Caucasian population

 

 Allelic

With heterogeneity

0.98 (0.81–1.18)

0.98 (0.91–1.05)

<0.00

Without heterogeneity

1.03 (0.88–1.21)

1.00 (0.87–1.14)

0.252

 Additive

With heterogeneity

0.85 (0.54–1.34)

0.80 (0.66–0.97)

<0.00

Without heterogeneity

0.94 (0.63–1.40)

0.90 (0.63–1.27)

0.354

 Recessive

With heterogeneity

0.89 (0.65–1.23)

0.83 (0.71–0.98)

<0.00

Without heterogeneity

0.73 (0.60–0.89)

0.73 (0.60–0.89)

0.440

 Dominant

With heterogeneity

0.98 (0.79–1.21)

1.03 (0.93–1.13)

<0.00

Without heterogeneity

1.04 (0.89–1.21)

1.03 (0.89–1.20)

0.400

Asian population

 Allelic

With heterogeneity

0.84 (0.66–1.07)

0.82 (0.73–0.93)

<0.00

Without heterogeneity

0.66 (0.52–0.83)

0.66 (0.52–0.83)

0.725

 Additive

With heterogeneity

   

Without heterogeneity

0.49 (0.28–0.86)

0.45 (0.29–0.70)

0.206

 Recessive

With heterogeneity

   

Without heterogeneity

0.52 (0.32–0.83)

0.49 (0.32–0.75)

0.330

 Dominant

With heterogeneity

0.84 (0.64–1.10)

0.85 (0.73–0.99)

<0.00

Without heterogeneity

0.61 (0.50–0.74)

0.61 (0.50–0.74)

0.864

  1. Italic values denote significant value, p < 0.05