Patient Determined Disease Steps Questionnaire

**Semantic type:** Intellectual Product

**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.

**Synonyms:** - PDDS - PDDS - PDDS01