Table 1. Data collected during the study at 9 and 12 months.
| Anonymized procedural data | Patient data | Age |
| Sex | ||
| Procedure indication | ||
| Diagnosis | ||
| List data | Site of endoscopy list | |
| Date and AM or PM list | ||
| Other procedures undertaken on the list | ||
| Procedural data | Extent of examination | |
| Magnetic imager/ScopeGuide used | ||
| Rectal retroversion | ||
| Digital rectal examination performed | ||
| Bowel preparation score | ||
| Patient comfort score | ||
| Medications prescribed during the procedure | ||
| Adverse events during procedure | ||
| Detection data | Number of polyps identified | |
| Any polypectomy performed | ||
| Polypectomy technique | ||
| Location of polypectomy | ||
| Size of polyp ( < 1 cm, 1 – 2 cm, > 2 cm) | ||
| Polyp retrieval status | ||
| Endoscopist data | Baseline information | Age |
| Gender | ||
| Background specialty | ||
| Annual workload | ||
| Lifetime colonoscopy experience | ||
| Number of years’ independent practice | ||
| Screening colonoscopy accreditation status | ||
| JAG “train the trainers” accreditation status | ||
| Endoscopist detection data | Mean number of polyps per 100 procedures adjusted for age, sex and indication | |
| Mean number of polyps per 100 procedures | ||
| PPR adjusted for age, sex and indication. | ||
| PPR | ||
| Polyp detection rate | ||
| Mean withdrawal time excluding procedures performing therapeutics. | ||
| Percentage buscopan prescription | ||
| Percentage rectal retroversion rate | ||
| Endoscopist interaction data | Frequency of access to NED APRIQOT and NED websites | |
| Pages visited on the NED APRIQOT and NED websites and for each page length of time spent, and date and time of each visit. | ||
| Device type used to access NED APRIQOT and NED websites (work computer, home computer, tablet, mobile device). | ||
| Endoscopy center data | Center detection data | Mean number of polyps per 100 procedures adjusted for age, sex and indication |
| Mean number of polyps per 100 procedures | ||
| PPR adjusted for age, sex and indication. | ||
| PPR | ||
| Polyp detection rate | ||
| Mean withdrawal time excluding procedures performing therapeutics. | ||
| Percentage buscopan prescription | ||
| Percentage rectal retroversion rate | ||
| Histology validation data, for 2-week period | Polyp detection rate | |
| ADR | ||
| Serrated polyp detection rate | ||
| Health economics analysis | Baseline survey of endoscopy center costs |
NED, national endoscopy database; APRIQOT, Automated Performance Reports to Improve Quality Outcomes Trial; PPR, proximal polypectomy rate; ADR, adenoma detection rate.