 The authors of the report concluded by supporting the use of the data in the CIHI DAD for national perinatal surveillance and research, with a caveat that appropriate inference rest on an understanding of clinical practice and the use of sensitivity analyses to identify robust findings.The CIHI DAD is used to identify patients admitted for hip fracture surgery to any acute care hospital in Canada between 2003 and 2012 in the Canadian Collaborative Study of Hip Fractures.CIHI ensures the confidentiality, integrity and availability of its health information through a comprehensive and integrated privacy and security program.