Association between oxygen saturation level during bronchoscopy and post-bronchoscopy adverse events: a retrospective cohort study

Table 5 Risk factors of post-bronchoscopy respiratory adverse events in a propensity score-matched population

	Univariable analysis		Multivariable analysis
	OR (95% CI)	P-value	OR (95% CI)	P-value
Age	1.06 (1.02–1.10)	0.001	1.03 (1.00–1.07)	0.046
Desaturation event before bronchoscopy	15.68 (6.37–38.64)	< 0.001	3.90 (1.28–11.89)	0.017
Pre-bronchoscopy SF ratio	0.98 (0.98–0.99)	< 0.001	0.99 (0.98–0.99)	< 0.001
Sedation	0.12 (0.05–0.32)	< 0.001	0.29 (0.09–0.92)	0.036
Bronchoscopic toileting	4.70 (2.46–8.96)	< 0.001	0.31 (0.10–1.02)	0.053
Bronchoscopic washing	0.32 (0.17–0.60)	< 0.001	0.36 (0.13–0.96)	0.042
Fellow physician, supervised by attending physician (reference: attending physician alone)	1.32 (0.70–2.47)	0.389	1.10 (0.49–2.46)	0.816
Low oxygen saturation group	2.16 (1.01–4.59)	0.046	3.16 (1.37–7.30)	0.007

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