Prewebinar survey model fit analysis and item statistics of the rating scale model.
| Procedure | Measure | SE Measure | Infita | Outfitb |
| UBE STEN | −1.35 | 0.114 | 1.087 | 1.025 |
| PEID | −2.04 | 0.127 | 0.989 | 0.994 |
| UBE LAM STEN | −1.74 | 0.116 | 0.982 | 0.915 |
| UBE LAM HNP | −1.51 | 0.113 | 0.936 | 0.962 |
| Endo + ISP | −1.69 | 0.115 | 1.093 | 1.117 |
| Person Reliability | MADaQ3 | P | ||
| Scale | 0.526 | 0.204 | 0.005 | |
Abbreviations: Endo + ISP, transforaminal endoscopic decompression with simultaneous interspinous process spacer for lateral canal stenosis; MADaQ3, mean of absolute values of centered Q_3 statistic with P value obtained by Holm adjustment; PEID, percutaneous interlaminar endoscopic decompression for lateral canal stenosis; UBE LAM HNP, unilateral biportal endoscopic laminectomy for herniated disc; UBE LAM STEN, unilateral biportal endoscopic laminectomy for central stenosis; UBE STEN, unilateral biportal endoscopic decompression for lateral canal stenosis.
↵a Information-weighted mean square statistic.
↵b Outlier-sensitive mean square statistic.