Participants , over @ , recruited within @ days following hip fracture surgery from @ Australia hospitals , were randomly allocated to receive a loading dose of vitamin D@ ( @,@ IU ) or placebo , followed by oral maintenance vitamin D@/calcium ( @ IU/@ mg ) and the usual hip fracture rehabilitation pathway.Demographic and clinical data were collected , including surgical procedure , pre-fracture functional status , Mini Mental State Examination ( MMSE ) score , serum @-hydroxyvitamin D ( @-OHD ) , Verbal Rating Scale ( VRS ) for pain , grip strength and gait velocity .