French cohort of early inflammatory back pain Variables Time of collection (month) 06121824364860 Patient’s assessmentXXXXXXXX Physical examinationXXXXXXXX Weight XXXXXXXX Height XXXXXXXX Blood pressure XXXXXXXX Schober XXXXXXXX Chest expansion XXXXXXXX Occiput to wall XXXXXXXX Tragus to wall XXXXXXXX Finger to floor XXXXXXXX Spine lateral flexion XXXXXXXX Cervical spine rotation XXXXXXXX Inter-maleolar distance XXXXXXXX Treatments / Co-morbiditiesXXXXXXXX Physician global (dg of SpA)XXXXXXXX Laboratory assessmentXXXXXXXX ImagingXXXX Ultrasonography (enthesis)XXXX Bone densitometryXXXX Study design: Data collected