Comparison of 1- and 24-hour CCIs. Both panels show the comparison of 1- and 24-hour CCIs, respectively, related to storage time of plasma PCs and PAS II PCs. Both PCs show a significant decrease in 1- and 24-hour CCIs during storage. (A) A significant difference between plasma PCs and PAS II PCs after 3 days of storage is shown. (B) A significant difference between the 2 products after 5 days of storage is shown. SEM indicates standard error of the mean; n, number of transfusions.