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Table 2 Indicators of adenoma in the logistic regression model of colonoscopies

From: The analysis of multilevel factors affecting adenoma detection rates for colonoscopies: a large-scale retrospective study

Variables

Regression coefficient

Crude OR

(95% CI)

Adjusted OR

(95% CI)

p value*

Sex

    

 Female

 

Reference

Reference

 

 Male

0.672

1.78 (1.62–1.96)

1.96 (1.77–2.17)

< 0.001

Age

    

 < 40

 

Reference

Reference

 

 40–49

1.020

2.92 (2.31–3.69)

2.77 (2.19–3.51)

< 0.001

 50–59

1.658

5.30 (4.26–6.58)

5.25 (4.21–6.54)

< 0.001

 60–69

2.027

7.51 (6.04–9.35)

7.59 (6.09–9.47)

< 0.001

 > 70

2.197

8.59 (6.77–10.89)

9.00 (7.07–11.44)

< 0.001

Sedation

    

 No

 

Reference

Reference

 

 Yes

0.338

1.51 (1.36–1.69)

1.40 (1.25–1.58)

< 0.001

Colonoscopy method

    

 Single-examiner

 

Reference

Reference

 

 Dual-examiner

0.285

1.34 (1.21–1.49)

1.33 (1.19–1.48)

< 0.001

Endoscopist’s experience

    

 Junior

 

Reference

Reference

 

 Senior

0.475

1.81 (1.64–2.00)

1.61 (1.45–1.79)

< 0.001

Endoscopist’s sex

    

 Female

 

Reference

Reference

 

 Male

1.19 (1.07–1.31)

0.096

  1. *p values refer to comparison between adenoma and nonsadenoma groups in the logistic regression analysis