Table 3.

Multivariate analysis of overall survival in AEG

Parameters	Category	HR	95% CI	P-value
N stage	Negative	1
	Positive	2.337	2.024–4.166	0.008
T stage	I+II	1
	III+IV	1.987	1.651–2.304	0.035
MMP-9+/TIMP-1-	Others	1
	Positive	3.014	2.432–3.237	0.002

Abbreviations: HR, hazard ratio; CI, confidence interval; MMP-9, matrix metalloproteinase 9.