Preferred Label : Patient Determined Disease Steps Questionnaire;
NCIt related terms : PDDS; PDDS01;
NCIt definition : A standardized rating scale developed by Hohol et al in 1995, which is a self-assessment
scale of functional disability in multiple sclerosis patients primarily based on ambulation.
The questionnaire contains 1 question which is scored ranging from 0 (normal) to 8
(bedridden). A score of 0 to 2 indicates mild disability; a score of 3 to 5 indicates
moderate disability; a score of 6 to 8 indicates severe disability.;
Alternative definition : CDISC: Patient Determined Disease Steps (PDDS) (Hohol MJ, Orav EJ, Weiner HL. Disease
Steps in multiple sclerosis: A simple approach to evaluate disease progression. Neurology
1995; 45: 251-55). (Hohol MJ, Orav EJ, Weiner HL. Disease Steps in multiple sclerosis:
a longitudinal study comparing disease steps and EDSS to evaluate disease progression.
Multiple Sclerosis 1999; 5: 349-54). (Marrie RA and Goldman M. Validity of performance
scales for disability assessment in multiple sclerosis. Multiple Sclerosis 2007; 13:
1176-1182). (The PDDS and/or PS are provided for use by the NARCOMS Registry: www.narcoms.org/pdds.
NARCOMS is supported in part by the Consortium of Multiple Sclerosis Centers (CMSC)
and the CMSC Foundation).;
Origin ID : C112524;
UMLS CUI : C3826971;
Automatic exact mappings (from CISMeF team)
- Semantic type(s)
- concept_is_in_subset
