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.
Two Methods:Microsoft Excel, OpenOffice Calc, and Google SpreadsheetsNotepadCommunity Q&A. A CSV file, which is a âcomma separated valuesâ file, allows you to save your data in a table-structured format, which is useful when you need to manage a large database. CSV files can be created using Microsoft Excel, OpenOffice Calc, Google Spreadsheets, and Notepad.