Validation of 5 key colonoscopy-related data elements from Ontario health administrative databases compared to the clinical record: a cross-sectional study

Institute for Clinical Evaluative Sciences (Tinmouth, Sutradhar, Liu, Baxter, Paszat, Rabeneck); Prevention and Cancer Control, Cancer Care Ontario (Tinmouth, Baxter, Rabeneck); Sunnybrook Research Institute (Tinmouth, Paszat, Rabeneck); Li Ka Shing Knowledge Institute (Baxter), St. Michael’s Hospital; Dalla Lana School of Public Health (Tinmouth, Sutradhar, Baxter, Paszat, Rabeneck), University of Toronto, Toronto, Ont.

Institute for Clinical Evaluative Sciences (Tinmouth, Sutradhar, Liu, Baxter, Paszat, Rabeneck); Prevention and Cancer Control, Cancer Care Ontario (Tinmouth, Baxter, Rabeneck); Sunnybrook Research Institute (Tinmouth, Paszat, Rabeneck); Li Ka Shing Knowledge Institute (Baxter), St. Michael’s Hospital; Dalla Lana School of Public Health (Tinmouth, Sutradhar, Baxter, Paszat, Rabeneck), University of Toronto, Toronto, Ont.

Institute for Clinical Evaluative Sciences (Tinmouth, Sutradhar, Liu, Baxter, Paszat, Rabeneck); Prevention and Cancer Control, Cancer Care Ontario (Tinmouth, Baxter, Rabeneck); Sunnybrook Research Institute (Tinmouth, Paszat, Rabeneck); Li Ka Shing Knowledge Institute (Baxter), St. Michael’s Hospital; Dalla Lana School of Public Health (Tinmouth, Sutradhar, Baxter, Paszat, Rabeneck), University of Toronto, Toronto, Ont.

Institute for Clinical Evaluative Sciences (Tinmouth, Sutradhar, Liu, Baxter, Paszat, Rabeneck); Prevention and Cancer Control, Cancer Care Ontario (Tinmouth, Baxter, Rabeneck); Sunnybrook Research Institute (Tinmouth, Paszat, Rabeneck); Li Ka Shing Knowledge Institute (Baxter), St. Michael’s Hospital; Dalla Lana School of Public Health (Tinmouth, Sutradhar, Baxter, Paszat, Rabeneck), University of Toronto, Toronto, Ont.

Institute for Clinical Evaluative Sciences (Tinmouth, Sutradhar, Liu, Baxter, Paszat, Rabeneck); Prevention and Cancer Control, Cancer Care Ontario (Tinmouth, Baxter, Rabeneck); Sunnybrook Research Institute (Tinmouth, Paszat, Rabeneck); Li Ka Shing Knowledge Institute (Baxter), St. Michael’s Hospital; Dalla Lana School of Public Health (Tinmouth, Sutradhar, Baxter, Paszat, Rabeneck), University of Toronto, Toronto, Ont.

Institute for Clinical Evaluative Sciences (Tinmouth, Sutradhar, Liu, Baxter, Paszat, Rabeneck); Prevention and Cancer Control, Cancer Care Ontario (Tinmouth, Baxter, Rabeneck); Sunnybrook Research Institute (Tinmouth, Paszat, Rabeneck); Li Ka Shing Knowledge Institute (Baxter), St. Michael’s Hospital; Dalla Lana School of Public Health (Tinmouth, Sutradhar, Baxter, Paszat, Rabeneck), University of Toronto, Toronto, Ont.