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.
csv â CSV File Reading and WritingÂ¶. New in version 2.3. The so-called CSV (Comma Separated Values) format is the most common import and export format for spreadsheets and databases. There is no âCSV standardâ, so the format is operationally defined by the many applications which read and write it.