Intra- and interobserver agreement for fracture presence, worst fracture grade, cumulative fracture grade and vertebral height loss.

Bold and italic = intra-observer. *Percentage of absolute agreement in the first session of each observer for the interobserver and between the first and second sessions for the intraobserver. **The 95% limits of agreement is the range of observer variation. This indicates that differences beyond this range cannot be ascribed to observer error alone.