Clinical Features and Risk Factors for Nasal Rosacea: A Hospital-Based Retrospective Study.

Introduction: At present, some studies have reported that nasal rosacea may be an independent disease, but phenotypic characteristics and risk factors for nasal rosacea remain unknown. This study aimed to clarify the clinical features and explore the risk factors for nasal rosacea.

Methods: A hospital-based retrospective study was conducted, including 1615 rosacea patients and 1501 healthy individuals.