Table 1

Intra- and interobserver reliability of spinopelvic parameters measured on x-ray and CT images.

ParameterIntraobserverInterobserver
PI x-ray0.900.85
PI CT0.990.98
PT x-ray0.890.87
PT CT0.990.98

  • Abbreviations: CT, computed tomography; PI, pelvic incidence; PT, pelvic tilt.