Table 4.

Multivariate analysis for factors associated with false negatives in integrated FDG‐PET/CT‐negative patients

Variable	Odds ratio	Confidence interval	P
SUVmax of tumor (>3.9)	2.316	1.029–5.212	0.042*
Histological type (adenocarcinoma)	4.951	1.715–14.294	0.003*
Tumor size (>3 cm)	2.724	1.199–6.190	0.017*

^* Significant.

^18F‐FDG‐PET/CT, fluorodeoxyglucose positron emission tomography/computed tomography; SUVmax, maximum standardized uptake value.