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.
How to import multiple csv files into Excel. As you probably know, Microsoft Excel allows opening several CSV files using the Open command. 1. You click and select Text Files (*.prn, *.txt, *.csv) from the drop down list in the lower right-hand corner.2.elect the CSV files you want to import in Excel. If you have the files open, the wizard will display their names in the dialog window. Otherwise, click the Add files... button in the lower right-hand corner.