Table 5. Multivariate analysis of factors predicting N-staging accuracy of computed tomography.

Variable	False negative (n=32)				False positive (n=15)
	OR	95% CI	P value		OR	95% CI	P value
Race (ref. Others)			0.16				0.25
White	0.52	0.21–1.30			0.47	0.13–1.69
LV invasion (ref. No)			0.01				0.76
Yes	3.79	1.34–10.73			1.21	0.34–4.30
Tumor location (ref. Others)			0.42				0.74
GEJ	1.73	0.45–6.58			0.67	0.06–7.14
Differentiation (ref. Poor)			0.32				<0.01
Well/moderately differentiated	1.76	0.57–5.38			7.14	2.00–25.44

OR, odds ratio; CI, confidence interval; LV, lymphovascular; GEJ, gastroesophageal junction.