“…The literature also varies widely in the appraisal of management properties of translated PROMs whether to Arabic [ 2 , 3 , 10 ] or other languages [ 7 , 54 , 55 ]. The reported ranges of good ratings for the various management properties parameters were: internal consistency (20%-94%) [ 2 , 3 , 7 , 10 , 54 , 55 ], reliability (38%-94%) [ 2 , 3 , 7 , 10 , 54 , 55 ], structural validity (25%-87%) [ 2 , 3 , 7 , 10 , 54 , 55 ], cross-cultural validity (3%-38%) [ 2 , 3 , 7 , 10 ], floor/ceiling effect (0-83%) [ 3 , 7 , 10 , 54 , 55 ], content validity (0-59%) [ 2 , 3 , 10 , 54 , 55 ], error measurement (0-55%) [ 2 , 7 , 10 ] and responsiveness (0-44%) [ 2 , 3 , 10 , 54 , 55 ]. The ratings in this review were generally good for internal consistency (87%), reliability (73%), structural validity (63%), and cross-cultural validity (53%).…”