Husna Ahmad Ainuddin

1. Introduction Comorbidities, in the context of medical research, refer to the simultaneous presence of two or more diseases in a patient, particularly in relation to an index disease under investigation (1). As the global population experiences growth and aging, coupled with elevated risk factors for non-communicable diseases, there has been an anticipated rise in the prevalence of comorbidities (2, 3).

1. Introduction Stroke is known as one of the leading causes of disability worldwide (1–7). Moreover, it poses a great socioeconomic burden to individuals and society (6, 8). Rehabilitation after acute stroke treatment has been demonstrated to reduce the impairment of body function and limitation of activity, thereby facilitating an early return to home (7, 9, 10).