In 2002, the National Kidney Foundation published treatment guidelines that identified five stages of Chronic Kidney Disease (CKD) based on declining GFR measurements. The guidelines recommend different actions based on the stage of kidney disease.
CSV (Comma Separated Value) was a file format devised to store tabular data. It uses commas to separate each entry in a row and the newline symbol to go to the next row. Excel is a more recent spreadsheet application from Microsoft and it saves the data with its own file format.
The .csv files are comma-delimited format. If your browser is configured to display these files in your browser window, select the link with your right mouse button (Mac users: hold down the link) and choose âSave Target Asâ¦â from the pop-up menu and follow the prompts. Title. Files.