Clinical Characteristics of Pyogenic Spondylitis and Psoas Abscess at a Tertiary Care Hospital: a Retrospective Cohort Study

Psoas abscess and pyogenic spondylitis are intractable diseases that require long-term treatment, but the clinical characteristics and causative organisms have not been fully investigated. Herein, we describe the clinical characteristics of these diseases and evaluate the factors associated with in-hospital mortality and the presence of gram-negative rods as causative microorganisms.