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Table 3 Multivariate analysis of factors associated with insertion time during unsedated colonoscopy

From: Difficult colonoscopy score identifies the difficult patients undergoing unsedated colonoscopy

Variables N = 612 HR (95% CI) p value B score DCS points
Age (years)      
  <65 518     
  ≥65 94 1.29 (1.03-1.62) 0.027 0.26 1
BMI (kg/m2)      
  ≥18.5 544     
  <18.5 68 1.59 (1.23-2.07) 0.001 0.47 2
Colonoscopists      
  Senior 414     
  Junior 198 1.29 (1.08-1.54) 0.004 0.26 1
Sleep quality      
  Excellent or good 534     
  Fair or bad 78 1.33 (1.04-1.72) 0.026 0.29 1
  1. BMI, body mass index.