How much of a live liver donor’s liver is taken (or remains) following donation varies depending on the transplant center (In other words, another thing about living donation that isn’t standardized). A study compared the amount of a liver donor’s remnant liver affects their recovery.
In short, the more liver taken, the slower the liver donor’s recovery.
Read about it here: http://cat.inist.fr/?aModele=afficheN&cpsidt=27403657