Table 2.

Univariate and multivariate analysis for factors related to overall survival using the COX proportional hazard model

Characteristics		Univariate analysis			Multivariate analysis
		p	HR	95%CI	p	HR	95%CI
Age	< 50 vs ≥50	0.408	1.346	0.666–2.721	N.A
Gender	female vs male	0.685	0.862	0.420–1.769	N.A
Tumor size	< 5 vs ≥5	0.012	0.420	0.214–0.825	0.198	0.597	0.272–1.310
Histology	Adenoma vs Squamous	0.603	0.836	0.426–1.640	N.A
Differentiation	Moderate-Poor vs Well	0.512	1.265	0.626–2.558	N.A
TNM stage		< 0.001			0.002
	I	0.008	0.242	0.085–0.692	0.161	0.416	0.122–1.417
	II	< 0.001	0.094	0.030–0.293	< 0.001	0.123	0.038–0.399
	III	0.002	0.294	0.133–0.649	0.003	0.290	0.127–0.664
	IV
Lymph node metastasis	Absence vs Presence	0.426	1.363	0.636–2.920	N.A
NEAT1	high vs low	0.018	2.339	1.156–4.733	0.035	2.199	1.055–4.581