Table 3.

Interobserver reliability of UCOASMI and of conventional metrology.

MeasureICC (95% CI)
Conventional metrology
  Lateral flexion0.41 (0.00–0.83)
  Tragus-to-wall distance0.98 (0.97–1.00)
  Cervical rotation0.61 (0.27–0.95)
  Schöber0.07 (0.00–0.48)
  Intermalleolar distance0.86 (0.71–1.00)
  BASMI0.83 (0.66–1.00)
UCOTrack measures
  Frontal neck flexion0.97 (0.93–1.00)
  Cervical rotation0.99 (0.98–1.00)
  Frontal spinal bending0.85 (0.70–1.00)
  Lateral angle shoulder-hip0.91 (0.82–1.00)
  Trunk rotation0.91 (0.82–1.00)
  UCOASMI0.98 (0.96–1.00)
  Schöber flexion*0.92 (0.82–1.00)
  Finger-floor distance*0.97 (0.93–1.00)
  • * Not included in the UCOASMI calculation. Measures in bold face should be compared at the same level of importance. UCOASMI: University of Córdoba Ankylosing Spondylitis Metrology Index; ICC: intraclass correlation coefficient; BASMI: Bath Ankylosing Spondylitis Metrology Index.