Table 1

Prewebinar survey model fit analysis and item statistics of the rating scale model.

ProcedureMeasureSE MeasureInfita Outfitb
Endoscopic complex lumbar revision strategies−2.010.1021.0100.993
Endoscopic debridement of grades 1–3 spondylolytic spondylolisthesis−1.580.1021.0351.009
Posterior cervical endoscopic foraminotomy for disc herniation and bony stenosis−1.810.1020.8940.857
Posterior endoscopic single and multilevel decompression of cervical spondylotic myelopathy−1.370.1031.0271.048
Scale Person Reliability MADaQ3 P
0.7320.167<0.001
  • Abbreviation: MADaQ3, mean of absolute values of centered Q_3 statistic with P value obtained by Holm adjustment.

  • a Information-weighted mean square statistic.

  • b Outlier-sensitive means square statistic.