Additional file 2: of A prospective, multi-centre, observational study to examine kidney disease progression in adults with chronic kidney disease – CKDOD - Study design and preliminary results

Chronic Kidney Disease Observational Database subject data collection forms. The information was collected by the research staff or the study investigators and subsequently transferred to the secured (username/password protected) CKDOD website (online data collection tool) or the offline data collection tool. The offline version is used for sites where internet is inaccessible or connection is unsecure. (PDF 141 kb)