Inciting events initiating injection-proven sacroiliac joint syndrome.

Objective: To determine the inciting events leading to the development of sacroiliac joint syndrome (SIJS).

Methods: This was a retrospective descriptive cohort series from an academic interdisciplinary spine center. Consecutive patients presenting with low back or buttock pain with or without leg symptoms who met specific inclusion and exclusion criteria for the diagnosis of SIJS were included in the study.