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Table 2 Patients' and endoscopists' report on colonoscopies performed with one- or two-person insertion technique (percent)

From: Gastronet survey on the use of one- or two-person technique for colonoscopy insertion

  One-person technique
(n = 5925)
Two-person technique
(n = 924)
p-value
Intubation rate    
   Caecum reached 5460 (92) 889 (96)  
   Caecum not reached 370 (6.2) 30 (3.2)  
   Caecal intubation not intended 95 (1.6) 5 (0.5) < 0.001
Detection of polyps ≥ 5 mm 1336 (23) 170 (18) 0.005
Intubation time (minutes, mean, 95%CI) 13.6 (13.4-13.9) 9.5 (9.0-10.0) < 0.001
Withdrawal time (mean, 95%CI) 7.70 (7.54-7.85) 5.39 (5.14-5.65) < 0.001
On-demand sedation/analgesics    
   No sedation/analgesia 4250 (72) 771 (83) < 0.001
   Sedation/analgesia given 1675 (28) 153 (17)  
Pain during colonoscopy    
   No pain 1659 (28) 265 (29)  
   Slight pain 2407 (41) 394 (43) 0.32
   Moderate pain 1119 (19) 167 (18)  
   Severe pain 740 (13) 98 (11)