The symptom burden index: Development and initial findings from use with patients with systemic sclerosis

Michael A. Kallen, Maureen D. Mayes, Yana L. Kriseman, Sofia B. De Achaval, Vanessa L. Cox, Maria E. Suarez-Almazor

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Objective. Our study had 3 aims: (1) to evaluate the functioning of the Symptom Burden Index (SBI) in patients with systemic sclerosis (SSc); (2) to determine the amount of burden per problem experienced by patients as well as the number of patients experiencing each measured problem area, and the number of SSc problems per patient; and (3) to characterize the burden profiles of problem area-specific subgroups of patients. Methods. We developed the SBI to determine the effect of problems in 8 major symptomatic areas of importance to patients (skin, hand mobility, calcinosis, shortness of breath, eating, bowel, sleep, and pain). Results. Sixty-two patients with SSc completed questionnaires on current disease-related problems, physical functioning, and health status. On average, patients were 53.4 years old and had had SSc for 8 years. Patients were mainly women (87%), English-speaking (87%), with diffuse SSc (63%), white (69%), married (61%), and lived with 1 or more additional household members (84%). Only 26% were employed full-time. The 3 most widely reported problem areas were pain, hand, and skin, experienced by 92%, 89%, and 88%, respectively. About one-third reported experiencing 0-5 problems and one-third 7-8 problems; individual patients experienced, on average, 5.7 problems. Conclusion. Psychometric evaluation determined that (1) summarizing SBI problem area item sets to report burden scores per problem measured is justified; (2) the 8 proposed problem areas are independent and deserve separate evaluation; and (3) burden scores correlate as expected with the Health Assessment Questionnaire-Disability Index and the Medical Outcomes Study Short-Form 36 questionnaire. The number of problems experienced and the degree of problem-associated burden that patients with SSc bear are substantial. Use of the SBI's patient-focused measurements may aid physicians in resolving problems most directly affecting patients' quality of life. This approach to measuring symptomatic burden in patients with chronic disease could be extended to other conditions. The Journal of Rheumatology

Original languageEnglish (US)
Pages (from-to)1692-1698
Number of pages7
JournalJournal of Rheumatology
Volume37
Issue number8
DOIs
StatePublished - Aug 2010

Keywords

  • Pain measurement
  • Patient care management
  • Self-assessment
  • Systemic sclerosis

ASJC Scopus subject areas

  • Rheumatology
  • Immunology and Allergy
  • Immunology

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