How many times did Wayne Gretzky win the Stanley Cup? Gretzky helped the Edmonton Oilers win the Stanley Cup in 1984, 1985, 1987, and 1988. How many times have the flyers played in the Stanley cup playoffs? The Flyers have been in the playoffs a total of 34 times in their 42 year history.
1 Stage 2 â Signs of mild kidney disease with reduced GFR (indicating 60% to 89% kidney function). 2  Stage 4 â Signs of severe chronic renal insufficiency (where the GFR indicates 15% to 29% kidney function).  Stage 5 â Signs of end stage renal failure (where the GFR indicates less than 15% kidney function).
Kidney failure - Classification. 1  Kidney failure can be divided into two categories: acute kidney injury or chronic kidney disease.