Table 5 Results of multivariate Cox regression analysis and Restenosis Score
Variables | P value | HR | 95% CI | β | Points |
|---|---|---|---|---|---|
Stenosis type | |||||
Scarring | 0.01 | 1 | 0 | ||
Bronchomalacia | 0.58 | 0.12–2.73 | − 0.28 | − 1 | |
Mixed | 4.03 | 1.55–10.51 | 1.44 | 3 | |
Bronchial atresia | 1.44 | 0.39–5.43 | 0.39 | 1 | |
Number of pre-stenting thermal ablation | |||||
0 | 0.001 | 1 | 1.44–8.07 | 0 | |
1–2 | 3.41 | 2.43–36.15 | 1.26 | 3 | |
≥ 3 | 9.36 | 1.44–8.07 | 2.28 | 5 | |
Difference value between SEMS length and stenosis-segment length (cm) | |||||
≤ 0 | 0.002 | 1 | 0 | ||
0.01–1 | 0.30 | 0.12–0.74 | − 1.28 | − 3 | |
> 1 | 0.12 | 0.03–0.42 | − 2.19 | − 4 | |