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.
1. Export each of your files to CSV by selecting it from the Format menu under the filename in the Save As area of Excel. 2. Use the solution you linked to, or a similar solution, to combine each of these resulting text files with eachother into one file.. Export each of your files to CSV by selecting it from the Format menu under the filename in the Save As area of Excel. 2. Use the solution you linked to, or a similar solution, to combine each of these resulting text files with eachother into one file.