A total of @ evaluable patients were randomly assigned at a @:@ ratio to receive SC-PEG at @,@ ( SC-PEG@ ; n = @ ) or @,@ IU/m ( @ ) ( SC-PEG@ ; n = @ ) versus SS-PEG @,@ IU/m ( @ ) ( SS-PEG@ ; n = @ ) as part of an otherwise identical chemotherapy regimen .