Supplementary Table 6.
Summary of International Studies Evaluating the Impact of the COVID-19 Pandemic on Colonoscopy and CRC Screening Services
| Setting, Database | Service studied | Pre-pandemic timeframe | Pandemic timeframe | Percent reductions during pandemic |
|---|---|---|---|---|
| United Kingdom, National Endoscopy Database16 | Average weekly colonoscopies | January 6–March 15, 2020 | March 23–May 31, 2020 | 88% |
| England, National Health Service4 | Average monthly colonoscopies | April 1–April 30, 2019 | April 1–April 30, 2020 | 92% |
| United States, TriNetX Database6 | Number of colonoscopies | March 15–July 15, 2019 | March 15–July 15, 2020 | 85% |
| United States, PROSPR Consortium17 | Colorectal cancer screening through FIT and colonoscopy | April 1–September 30, 2019 | April 1–May 31, 2020 | 82% |
| France, Système National des Données de Santé7 | Colonoscopy bowel preparation dispenses | February 17–March 15, 2020 | March 16–May 10, 2020 | 69% |
| Netherlands, Trans.IT Endoscopy Database5 | Number of colonoscopies | March 15–June 25, 2019 | March 15–June 25, 2020 | 45% |
| Hong Kong, Hong Kong Hospital Authority3 | Average weekly colonoscopies | October 1, 2016–January 20, 2020 | January 28–March 31, 2020 | 60% |