Rasch Analysis of the Dermatology Life Quality Index Reveals Limited Application to Chinese Patients with Skin Disease

• Egile Nagusiak: Zehui He (Egilea), Riccardo Lo Martire (Egilea), Chuanjian Lu (Egilea), Hongxia Liu (Egilea), Lin Ma (Egilea), Ying Huang (Egilea), Yongmei Li (Egilea), Liyun Sun (Egilea), Yanping Bai (Egilea), Wali Liu (Egilea), Xushan Zha (Egilea)
• Formatua: Liburua
• Argitaratua: Medical Journals Sweden, 2017-09-01T00:00:00Z.
• Gaiak: article
• Sarrera elektronikoa: Connect to this object online.

The objective of this study was to examine the psychometric properties of the Chinese version of the Dermatology Life Quality Index (DLQI) and to assess the invariance of its items with respect to several patient parameters via Rasch analysis. Data were aggregated from 9,845 patients with various sk...