ArticleBMJ open2021
Psychometric properties of a self-assessment questionnaire concerning symptoms and impairment in urinary tract infections: the UTI-SIQ-8.
Article in BMJ open, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06625268 (Machbarkeit Und Explorative Validierung Des PA-100-AST-Systems Bei Frauen Mit Verdacht Auf Eine Unkomplizierte Harnwergsinfektion in Der Hausarztpraxis - Eine Pilotstudie), which is not on this map. Cited by 12 papers.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Machbarkeit Und Explorative Validierung Des PA-100-AST-Systems Bei Frauen Mit Verdacht Auf Eine Unkomplizierte Harnwergsinfektion in Der Hausarztpraxis - Eine Pilotstudie
Who cites it
12 citing papers in PubMed, 20 citations in OpenAlex.
- Trial
- A Randomized Comparative Study of Luteolin-Based Herbal Unani FormulationsCurrent pharmaceutical design · 2025Trial
- Evidence-based appraisal of two guidelines for the diagnosis of suspected, uncomplicated urinary tract infections in primary care: a diagnostic accuracy validation study.The Journal of antimicrobial chemotherapy · 2023Trial
- Multiplex Polymerase Chain Reaction vs Standard Urine Culture in Women Presenting with Symptoms of Acute Cystitis.International urogynecology journal · 2025Article
- Understanding the Burden and Management of Urinary Tract Infections in Women.Diseases (Basel, Switzerland) · 2025Review
- ERAS for Ambulatory TURBT: Enhancing Bladder Cancer Care (EMBRACE) randomised controlled trial protocol.BMJ open · 2024Article
- Content Validity and Psychometric Properties of the German Version of the Holm and Cordoba Urinary Tract Infection Score for Uncomplicated Urinary Tract Infections in Women: Protocol for a Validation Study.JMIR research protocols · 2024Article
- Article
- Difference in symptom manifestation between postmenopausal and premenopausal women in acute uncomplicated cystitis: A multi-institutional pilot study.Current urology · 2023Article
- Severity and Bothersomeness of Urinary Tract Infection Symptoms in Women before and after Menopause.Antibiotics (Basel, Switzerland) · 2023Article
- Atlas of patient-reported outcome measures, nomograms and scoring systems used in simple and complicated urinary tract infections: a systematic review.Therapeutic advances in infectious diseaseReview
- Associations between extreme weather events, resource insecurities, and HIV vulnerabilities with self-reported urinary tract infection symptoms among adolescent girls and young women in Kenya.The journal of climate change and healthArticle
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesTo validate the urinary tract infection-Symptom and Impairment Questionnaire (UTI-SIQ-8), a questionnaire that consists of four items to assess the symptom severity for dysuria, urgency, frequenc, and low abdominal pain and four items to assess the resulting impairment of activity by UTIs.
designProspective observation study.
settingGerman primary care practices.
participantsAn unselected population of women with UTI. Women could participate online via a web application for smartphones, smartwatches and tablets or use a paper-and-pencil version. MAIN OUTCOMES: Psychometric properties of the UTI-SIQ-8 regarding reliability, validity and sensitivity to change by using factor analysis and multilevel and network analysis.
resultsData from 120 women with a total of 769 symptom reports across 7 days of measurement were analysed. The majority of the participating patients (87/120) used the web application via smartphones or other devices. The reliability of the UTI-SIQ-8 was high, with Cronbach's alpha of .86 at intake; convergent and discriminant validity was satisfactory. Intraclass correlation demonstrated high sensitivity to change, with 68% of the total variance being due to time differences. These daily changes in an individual's symptoms moved parallel with daily changes in the EQ-5D-5L (b=1.68, SE=0.12, p<0.001) and the visual analogue scale (b=0.03, SE=0.003, p<0.001), also highlighting convergent validity with respect to daily changes in symptom severity.
conclusionsThe present findings support the UTI-SIQ-8 questionnaire as an economic, reliable and valid instrument for the assessment of symptom severity and symptom change in women with uncomplicated UTI. The web application helped patients to report symptoms on a daily basis. These findings may encourage primary care physicians to use the UTI-SIQ-8 in their daily practice and researchers to apply it to studies involving patients with uncomplicated UTI.
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