Table 3.

COX multifactor analysis of matched patients.

Variables	5-year OS				5-yearDFS
After matching	p-value	HR	95% CI		p-value	HR	95% CI
ARH group vs. R-CT group	<0.001	4.071	2.042	8.117	<0.001	4.450	2.441	8.113
Age	0.005	0.940	0.900	0.982	0.035	0.951	0.925	0.997
Histological type
Squamous cell carcinoma	0.090				0.159
Adenocarcinoma	0.514	1.623	0.379	6.950	0.185	2.025	0.713	5.754
Adenosquamous carcinoma	0.032	9.317	1.205	72.049	0.140	4.541	0.609	23.876