Evaluation of DermSat-7 for Assessing Treatment Satisfaction in Patients with Acne
Notice bibliographique
Résumé
Importance: Treatment satisfaction is important to achieving therapeutic success in patients with inflammatory dermatological diseases, such as acne. Objective: To evaluate the structural validity, internal consistency, and construct validity of the DermSat-7, a questionnaire-based measure of treatment satisfaction, in patients with acne seen in routine clinical practice. Design, Setting, and Participants: This cross-sectional study included adults with acne who were fluent in English and treated at an outpatient clinic at Brigham and Women's Hospital between July 2022 and May 2023. At each visit, patients completed a self-administered, patient-reported outcome questionnaire, including a patient global assessment (PGA) of their acne severity and the DermSat-7. The DermSat-7 consists of 7 items assessing 3 domains of treatment: effectiveness (3 items), convenience (3 items), and overall satisfaction (1 item). At subsequent visits, patients were asked an anchor item related to change in disease severity ("How has your acne changed compared to your last visit?") that was scored on a 7-point scale (-3 = much worse to 3 = much better). Also at each visit, a dermatologist completed the Comprehensive Acne Severity Scale (CASS). Main Outcomes and Measures: The main outcomes were structural validity (assessed by factor analysis), internal consistency (assessed by Cronbach α), and construct validity (assessed using linear regression models and Pearson correlation coefficients). Results: The analysis included 142 patients with acne (mean [SD] age, 25.1 [5.1] years; 96 females [67.6%]) taking acne medication who completed the DermSat-7. Exploratory factor and confirmatory factor analysis supported the unidimensionality of the 3 DermSat-7 domains. Cronbach α values of 0.89 and 0.80 supported good internal consistency in the effectiveness and convenience domains, respectively. Known-groups validity was supported by increasing DermSat-7 effectiveness and overall satisfaction scores with increasing levels of positive change in disease severity (linear regression coefficient, 7.51; 95% CI, 4.94-10.08; P < .001). Construct validity was further supported by moderate correlations with the anchor, PGA, and CASS scores (effectiveness domain: anchor r = 0.567, PGA r = -0.538, and CASS r = -0.485; overall satisfaction domain: anchor r = 0.467, PGA r = -0.486, and CASS r = -0.489). Conclusion and Relevance: This cross-sectional study found that the DermSat-7 may be an effective tool for measuring treatment satisfaction, particularly effectiveness and overall satisfaction domains, among patients with acne. Further research is needed to examine additional measurement properties of the DermSat-7, such as content validity and interpretability, as well as to validate the DermSat-7 in other populations of patients with acne.
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Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».