Table 3. Univariate analysis for the presence of any stent-related complication among patients who underwent follow-up bronchoscopy.

Characteristic	Odds ratio	95% CI	P value
Age (>55 vs. ≤55 years)	1.18	0.49–2.84	0.71
Sex (female vs. male)	1.36	0.58–3.21	0.48
Indication for stent placement (malignant vs. benign)	0.93	0.40–2.19	0.88
Stent location
Trachea	1.00	Reference	–
Carina (Y-stent)	0.72	0.24–2.16	0.56
Left mainstem bronchus	0.95	0.23–3.85	0.94
Right mainstem bronchus	3.25	0.35–30.0	0.30
Bronchus intermedius	2.71	0.76–9.63	0.12
Stent type
Hybrid	1.00	Reference	–
Metallic	0.09	0.01–0.59	0.01
Straight silicone stent	0.40	0.12–1.40	0.15
Y stent	0.24	0.07–0.80	0.02
T-tube	0.18	0.04–0.80	0.03
Symptoms*
Any symptom (yes vs. no)	1.88	0.79–4.45	0.15
Dyspnea (yes vs. no)	2.80	1.06–7.35	0.04
Cough (yes vs. no)	1.77	0.46–6.86	0.41
Respiratory failure (yes vs. no)	0.40	0.12–1.35	0.14

*, excess secretions and dysphagia were not analyzed individually as symptoms because their incidence was too small.