Clinical relevance of fluorodeoxyglucose positron emission tomography/computed tomography and magnifying endoscopy with narrow band imaging in decision-making regarding the treatment strategy for esophageal squamous cell carcinoma

Table 3 Multivariate analysis of the associations between positive fluorodeoxyglucose positron emission tomography/computed tomography and pathological variables

Variable	OR	95%CI	P value
Circumferential extension
< 3/4	3.26	0.52-20.49	0.21
≥ 3/4
Histological grade
Well	3.09	0.71-13.48	0.13
Moderate + poor
Depth of tumor invasion
pTis + pT1a	30.21	1.81-504.05	0.018
pT1b
Infiltrative growth pattern
INFa	1.52	0.38-6.18	0.56
INFb
Vascular invasion
Positive	3.42	0.24-49.86	0.37
Negative
Lymphatic invasion
Positive	0.26	0.012-5.41	0.38
Negative

INF: Infiltrative growth pattern; OR: Odds ratio; CI: Confidence interval.