Table S5. Predictors of changes in frequency of bronchoscopy after stent removal. Y = Δbronch/month (after − pre), n=21.
| Predictors | Univariate | Multivariate | Reduced | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate | Standard error | t-value | P value | Estimate | Standard error | t-value | P value | Estimate | Standard error | t-value | P value | |||
| Age at transplant | −0.01 | 0.01 | −0.66 | 0.514 | – | – | – | – | – | – | – | – | ||
| Gender | 0.27 | 0.24 | 1.16 | 0.259 | – | – | – | – | – | – | – | – | ||
| Baseline FEV1 | −0.3 | 0.16 | −1.91 | 0.073 | −0.38 | 0.2 | −1.88 | 0.083 | – | – | – | – | ||
| Location of stent | 0.891 | – | – | – | – | – | – | – | – | |||||
| LMSB | 0.23 | 0.34 | 0.69 | 0.498 | – | – | – | – | – | – | – | – | ||
| RMSB | 0.09 | 0.39 | 0.22 | 0.827 | – | – | – | – | – | – | – | – | ||
| RBI | 0.01 | 0.64 | 0.01 | 0.989 | – | – | – | – | – | – | – | – | ||
| Peripheral | REF | – | – | – | – | – | – | – | – | |||||
| Type of stent | 0.981 | – | – | – | – | – | – | – | – | |||||
| CSEMS | −0.07 | 0.37 | −0.18 | 0.861 | – | – | – | – | – | – | – | – | ||
| USEMS | 0.01 | 0.28 | 0.04 | 0.97 | – | – | – | – | – | – | – | – | ||
| Silicone | REF | – | – | – | – | – | – | – | – | |||||
| Type of airway complication | ||||||||||||||
| Dehiscence | 0.01 | 0.31 | 0.05 | 0.963 | – | – | – | – | – | – | – | – | ||
| Cicatrix scar | −0.11 | 0.24 | −0.47 | 0.645 | – | – | – | – | – | – | – | – | ||
| Pseudomembrane | −0.33 | 0.26 | −1.3 | 0.208 | – | – | – | – | – | – | – | – | ||
| Malacia | 0.08 | 0.26 | 0.31 | 0.756 | – | – | – | – | – | – | – | – | ||
| Days prior to stent placement | 0 | 0 | 0.97 | 0.344 | – | – | – | – | – | – | – | – | ||
| # of days with stent | 0 | 0 | −1.53 | 0.143 | 0 | 0 | −1.06 | 0.31 | – | – | – | – | ||
| Stent related complications | ||||||||||||||
| Mucous plugging | −0.21 | 0.24 | −0.87 | 0.393 | – | – | – | – | – | – | – | – | ||
| Migration | 0.21 | 0.28 | 0.75 | 0.462 | – | – | – | – | – | – | – | – | ||
| Bleeding | −0.05 | 0.41 | −0.13 | 0.9 | – | – | – | – | – | – | – | – | ||
| Granulation tissue | −0.34 | 0.23 | −1.45 | 0.164 | 0.02 | 0.25 | 0.09 | 0.931 | – | – | – | – | ||
| Fracture | – | – | – | – | – | – | – | – | – | – | – | – | ||
| Restenosis | −0.43 | 0.25 | −1.74 | 0.098 | 0 | 0.28 | 0 | 0.997 | – | – | – | – | ||
| Dehiscence | −0.26 | 0.41 | −0.64 | 0.532 | – | – | – | – | – | – | – | – | ||
| Symptomatic improvement after stent | −0.15 | 0.57 | −0.27 | 0.794 | – | – | – | – | – | – | – | – | ||
| # of stent exchanges | −0.19 | 0.08 | −2.34 | 0.03 | −0.08 | 0.09 | −0.85 | 0.409 | −0.19 | 0.08 | −2.34 | 0.03 | ||
FEV1, forced expiratory volume over 1 second; LMSB, left mainstem bronchus; RMSB, right mainstem bronchus; RBI, right bronchus intermedius; CSEMS, covered self expanding metallic stent; USEMS, uncovered self expanding metallic stent.