From:  Handwriting rehabilitation after acquired brain injury: approaches, outcomes, and clinical implications

 PICOS criteria.

PICOS elementDescription
Population (P)Adults or adolescents with acquired brain injury (traumatic, anoxic, vascular, or infectious in origin) presenting documented written language impairments
Intervention (I)Rehabilitation programs aimed at improving reading and/or writing abilities
Comparison (C)No intervention, standard care, or alternative rehabilitation approaches
Outcomes (O)Primary outcomes: performance on reading/writing tasks, spelling accuracy, lexical access in writing; secondary outcomes: functional communication, quality of life, independence in daily written communication
Study design (S)Clinical trials (randomized and non-randomized)