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Table 2 Results of Egger’s test for small study effects and meta-regressions

From: Depression after stoma surgery: a systematic review and meta-analysis

Test

Dataset

Outcome

Predictor

Comparison

Mean difference (95% CI)

Comparison P value

Global P value

Egger

Age

Prevalence of depressive symptoms

    

0.635

Meta-regression

Age

Prevalence of depressive symptoms

Age

 

-0.003 (-0.128, 0.007)

 

0.592

Egger

Age

Age

    

0.001

Egger

Gender

Prevalence of depressive symptoms

    

0.930

Meta-regression

Gender

Prevalence of depressive symptoms

Proportion Male

 

0.410 (-0.034, 0.854)

 

0.069

Egger

Gender

Gender

    

0.224

Egger

Region

Prevalence of depressive symptoms

    

0.041

Meta-regression

Region

Prevalence of depressive symptoms

Region

Europe vs Asia–Pacific

0.037 (-0.115, 0.188)

0.629

0.002

    

Middle East / Africa vs Asia–Pacific

0.364 (0.162, 0.566)

0.001

 
    

North America vs Asia–Pacific

-0.033 (-0.220, 0.154)

0.722

 

Egger

Before versus after stoma surgery

Odds of depressive symptoms

    

0.229

Egger

Other: Stoma versus No stoma

Odds of depressive symptoms

    

0.352

Egger

HADS: Stoma versus No stoma

Mean difference of depressive symptoms

    

0.461

Egger

Colostomy versus Ileostomy

Mean difference of depressive symptoms

    

Did not converge