Supplementary Materials for «Tri-Score+ и SR-Trachea: измерение результата и поддержка решения в реконструктивной хирургии рубцового стеноза трахеи»

Supplementary materials accompanying the paper «Tri-Score+ и SR-Trachea: измерение результата и поддержка решения в реконструктивной хирургии рубцового стеноза трахеи» submitted to Head and Neck Russian Journal (hnj.science). Includes: (1) full Open Science Framework pre-registration v3 with amendments (osf.io/a5ky3, registered 6 May 2026); (2) SAMPL-compliant statistical analysis detail; (3) COSMIN checklist for Tri-Score+; (4) Reilly & Evans 2006 clinical decision tool framework positioning for SR-Trachea; (5) sensitivity analyses SA1–SA5; (6) added-value reframing on mMRC standalone vs Tri-Score+ binary discrimination; (7) multiple imputation rationale; (8) supplementary figures S1–S4 (domain histograms, time-to-event distribution, continuous SR + LOESS, Kaplan–Meier by phenotype with number-at-risk table — removed from main text); (9) Python analysis code with fixed seed for reproducibility (block1–block7, figure rendering scripts); (10) cleaned analytical database (analytical_db_v2.xlsx) and computational outputs (results.xlsx). Reproducibility: Python 3.11+, fixed random seed = 42. License: CC-BY 4.0.