Medizinische Universität Graz - Research portal
Selected Publication:
SHR Neuro Cancer Cardio Lipid Metab Microb
Leeb, BF; Haindl, PM; Brezinschek, HP; Mai, HT; Deutsch, C; Rintelen, B.
Patient-centered psoriatic arthritis (PsA) activity assessment by Stockerau Activity Score for Psoriatic Arthritis (SASPA).
BMC Musculoskelet Disord. 2015; 16(1):73-73
Doi: 10.1186/s12891-015-0512-7
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- Co-authors Med Uni Graz
- Brezinsek Hans-Peter
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- Abstract:
- To investigate whether a modified Rheumatoid Arthritis Disease Activity Index-5 could be applied as a routine assessment tool for psoriatic arthritis (PsA) patients. Ninety-seven PsA outpatients (mean age 49.78 years; age range 23-80 years; 49 male, 48 female), completed a prototype questionnaire. Tender and swollen joint counts, including enthesiopathy, physician's assessment of disease activity on a visual analog scale (MDglob), erythrocyte sedimentation rate, and patient satisfaction with disease status (PatSat: 1 = excellent to 5 = unsatisfactory) were recorded. Factorial analysis was performed and alpha, as a measure of reliability, and tau were calculated. The ultimate five-item questionnaire, calculated by (Q1 + Q2 + Q3 + Q4 + Q5)/5, was then handed over to 152 PsA outpatients (mean age 54.02 years; age range 26-80 years; 82 male, 70 female), and analyzed accordingly. Analyzing the internal consistency of the prototype questionnaire revealed the highest alpha value of 0.849, on deleting the question targeting disease course. Alpha for the final Stockerau Activity Score for Psoriatic Arthritis (SASPA) was 0.875, with all items contributing to the final result (item loading from 0.573 to 0.910). Kendall's tau for the relationship between SASPA scores and swollen joint count, tender joint count, and MDglob was 0.34, 0.416, and 0.392, respectively. The sensitivity of the questionnaire to change was demonstrated in patients starting treatment with a tumor necrosis factor blocker (standardized mean difference: 2.1). The SASPA questionnaire constitutes a fully patient-administered tool to monitor PsA activity. Its reliability, convergent validity, and sensitivity to change were demonstrated.
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Aged -
- Aged, 80 and over -
- Arthritis, Psoriatic - diagnosis
- Female -
- Humans -
- Male -
- Middle Aged -
- Reproducibility of Results -
- Sensitivity and Specificity -
- Severity of Illness Index -
- Surveys and Questionnaires - standards
- Visual Analog Scale -
- Find related publications in this database (Keywords)
- Psoriatic arthritis
- Disease activity assessment
- Patient questionnaire