What's the difference between the 62.9 and the 43.9 groups mentioned in the article ? They're both "on the waiting list". "After eight years, 76.5 percent of t

What's the difference between the 62.9 and the 43.9 groups mentioned in the article ? They're both "on the waiting list". "After eight years, 76.5 percent of those who received an incompatible kidney were still alive, compared with 62.9 percent who remained on the waiting list or received a deceased donor kidney and 43.9 percent who remained on the waiting list but never got a transplant."