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.
Save CSV File as Excel Spreadsheet. Step. Open Excel and click File and then click Open.. Step. Click the down arrow next to Look in to locate the folder containing the CSV file. Step. Use the down arrow next to Files of type and select Text Files (.prn; .txt; *.csv).. Step.