[theptip]

Not reported, how many people died from side effects of the procedure, such as blood poisoning/infection.

We care about all-cause mortality, not cancer mortality.

[FinnLeSueur]

I haven't read the article - only the abstract, but it does report: "No perforations or screening-related deaths occurred within 30 days after colonoscopy." I guess something could have happened later than 30 days but we'd need the full article for that.