average cost per patient day
an average cost per patient of $1,500 and a CMI of 1.25, their adjusted cost per patient is. $1,500 / 1.25 = $1,200. Therefore, if a hospital has a CMI greater than 1.00, their adjusted cost per patient or per day. will be lowered and conversely if a hospital has a CMI less than 1.00, their adjusted cost will be.