“…There are several generic and disease specific instruments used in measuring functional status among RA patients, such as the Barthel index for activities of daily living, the Groningen activity restriction scale (GARTH), the World Health Organization Disability Schedule-II (WHODAS-II), the Health Assessment Questionnaire Disability Index (HAQ-DI) Health Assessment Questionnaire II (HAQ-II), the shortened arthritis impact measurement scales (AIMS), the Multidimensional Health Assessment Questionnaire (MDHAQ-10-ADL), MDHAQ-14-ADL, and the Sickness Impact Profile (SIP-RA) to name few [ 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 ]. Some of these tools are inconsistently assessed for their psychometric properties.…”