Impact of the supine position versus left horizontal position on colonoscopy insertion: a 2-center, randomized controlled trial

Colonoscopy insertion is painful for some patients, constituting one of the main barriers to screening colonoscopy. Few studies have assessed the impact of the supine position (SP) on colonoscopy insertion, especially for unsedated patients. The aim of this randomized controlled trial (RCT) is to clarify this issue.

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