Table 2.

Predictors for DAOH₃₀ and DAOH₃₆₅

	DAOH30			DAOH365
	Mean (95% CI)	p-value		Mean (95% CI)	p-value
Sex
Male	23.1 (21.0-25.2)	Ref.		163 (131–194)	Ref.
Female	18.6 (15.8–21.4)	0.07		152 (117–187)	< 0.001
BMI
≥ 18.5	21.4 (19.5–23.3)	Ref.		166 (142–191)	Ref.
< 18.5	16.3 (10.5–22.0)	0.07		87.3 (29.9–145)	0.03
Malignancy
Primary Lung Tumours	20.7 (18.6–22.7)	Ref.		163 (136–189)	Ref.
Others	22.7 (19.1–26.3)	0.5		150 (100–199)	0.6
ASA
IV	18.6 (16.0-21.2)	Ref.		119 (88.3–150)	Ref.
III	22.6 (20.1–25.1)	0.03		192 (158–226)	0.002
Smoking
Never Smoked	22.8 (18.9–26.6)	Ref.		201 (148–255)	Ref.
Currently or previously	20.2 (18.2–22.3)	0.3		145 (119–170)	0.08
Respiratory Status
No respiratory Support	23.5 (21.6–25.3)	Ref.		188 (159–217)	Ref.
Respiratory Support	16.4 (13.1–19.7)	0.01		106 (70.5–141)	< 0.001
Freitag Classification
Intraluminal	21.1 (19.2–23.0)	Ref.		161 (137–186)	Ref.
Extern Compression	19.3 (14.0-24.5)	0.5		133 (63.6–203)	1
Index Intervention
Stent Insertion	19.0 (16.6–21.4)	Ref.		128 (99.6–157)	Ref.
Debulking & Dilation	23.4 (20.9–26.0)	0.006		200 (163–237)	0.3
Urgency of Intervention
Elective	23.6 (20.8–26.5)	Ref.		197 (155–239)	Ref.
Urgent or Semi-urgent	19.4 (17.2–21.6)	0.02		137 (110–165)	0.002
Level of Stenosis
Trachea	19.6 (14.4–24.7)	Ref.		158 (88.3–228)	Ref.
Tracheobronchial	19.4 (15.4–23.3)	0.8		145 (89.7–200)	0.8
Unilateral bronchi	21.8 (19.4–24.2)	0.9		174 (143–205)	0.6
Bilateral bronchi	20.2 (13.5–26.8)	0.09		91.2 (29.5–153)	0.09
Chemoradiotherapy after Intervention
Yes	24.1 (22.6–25.6)	Ref.		199 (169–229)	Ref.
No	17.7 (14.6–20.7)	0.005		117 (84.2–150)	< 0.001
Immunotherapy after Intervention
Yes	23.0 (16.1–29.9)	Ref.		241 (155–327)	Ref.
No	20.6 (18.7–22.4)	0.3		149 (125–173)	0.06