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.
Besides CSV (comma delimited), a few other csv formats are available to you: 1  CSV (comma delimited) . 2  This format saves an Excel file as a comma-separated text that can be used in another Windows program or another version of Windows operating system.ow to convert Excel to CSV and export Excel files to CSV UTF-8 format. by Svetlana Cheusheva Excel, Excel tips 25 Comments. Comma-separated values (CSV) is a widely used file format that stores tabular data (numbers and text) as plain text.