Table 3

Summary data for colonoscopist-attributable quality indicators

Mean per colonoscopistRangeDenominator (number of procedures counted)
Adenoma detection rate46.5%21.9–59.8%31 088 by 148 colonoscopists
Polyp detection rate59.7%39.8–76.3%31 091 by 148 colonoscopists
Mean colonoscopy withdrawal time9.4 min5.6–12.3 min5 443 by 61 colonoscopists
Unadjusted caecal intubation rate95.2%76.2–100%33 635 by 148 colonoscopists
Rectal retroversion rate89.5%27.0–100%33 635 by 148 colonoscopists
Polyp retrieval rate92.7%68.9–100%21 616 by 141 colonoscopists