Preoperative fractional exhaled nitric oxide is a risk and predictive factor of postoperative cough for early-stage non-small cell lung cancer patients: a longitudinal study

Table 2 Multivariate logistic regression analysis of postoperative cough

	b	SE	Wald	OR	95%CI	P
Age ≥ 60 years	0.391	0.296	1.747	1.478	0.828–2.638	0.189
With diabetes mellitus	0.281	0.395	0.506	1.324	0.611–2.869	0.477
Preoperative FENO (ppb)	0.100	0.014	50.912	1.106	1.076–1.137	< 0.001
Duration of anesthesia (min)	0.008	0.003	7.920	1.008	1.002–1.013	0.004
AIS or MIA	-0.158	0.284	0.311	0.854	0.489–1.489	0.577
Constant	-4.200	0.681	38.019	0.015		< 0.001

FENO, fractional exhaled nitric oxide; AIS, adenocarcinoma in situ; MIA, minimally invasive adenocarcinoma; OR, odds ratio; CI, confidence interval

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