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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