Table 3.

Univariate associations between bronchoscopy variables and composite immediate respiratory complications

	Odds Ratio (95% confidence interval)
Participant Characteristics
Age (per decade)	1.32 (1.09 – 1.61)
Female sex	1.52 (0.88 – 2.63)
Inpatient status	0.85 (0.49 – 1.47)
Body mass index (kg/m2)	1.01 (0.97 – 1.04)
Bicarbonate level	1.04 (0.97 – 1.13)
Baseline oxygen (per liter per minute)	1.39 (1.09 – 1.83)
STOP-BANG
Continuous (per 1 point increase)	1.07 (0.92 – 1.25)
Score ≥3 vs. <3	0.98 (0.56 – 1.72)
Score ≥5 vs. <3	1.04 (0.50 – 2.12)
Score ≥3 + bicarbonate ≥28 vs. <3	1.01 (0.51 – 1.96)
Past Medical History
Coronary artery disease	1.72 (0.90 – 3.29)
Heart failure	0.81 (0.27 – 2.19)
Atrial fibrillation/flutter	0.92 (0.37-2.15)
Chronic obstructive lung disease	1.13 (0.61 – 2.04)
Asthma	0.26 (0.04 – 0.98)
Interstitial lung disease	0.48 (0.10 – 1.62)
Renal disease*	1.54 (0.70 – 3.34)
Medications
Benzodiazepine	0.54 (0.20 – 1.29)
Opioid	1.19 (0.58 – 2.39)
Bronchoscopic Factors
Bronchoscopy procedure types performed:
Bronchoalveolar lavage	0.87 (0.50 – 1.52)
Microscopy brush	1.03 (0.54 – 1.92)
Cytology brush	1.06 (0.50 – 2.19)
Endobronchial biopsy	1.06 (0.61 – 1.83)
Endobronchial ultrasound	2.34 (1.35 – 4.10)
Interventional bronchoscopy	0.99 (0.20 – 4.15)
Total number of different procedure types performed	1.24 (1.01 – 1.51)
Procedural medications:
Fentanyl dose (per 25 mcg)	1.09 (0.99 – 1.20)
Midazolam dose (per 1 mg)	1.05 (0.96 – 1.14)
Procedure duration (per 10 minutes)	1.21 (1.10 – 1.34)