Analysis of the causes of failure after radical surgery in patients with PT3N0M0 thoracic esophageal squamous cell carcinoma and consideration of postoperative radiotherapy

Table 3 Univariate analysis of prognosis of 227 patients with _pT₃N₀ M₀ TESCC

Variable	N	OS (%)		Χ²	P	LRR (%)		Χ²	P	DM (%)		Χ²	P
Variable	N	3yr	5yr	Χ²	P	3yr	5yr	Χ²	P	3yr	5yr	Χ²	P
Sex				1.819	0.177			0.985	0.321			2.301	0.129
Male	160	58.1	45.6			22.4	27.1			24.1	18.2
Female	67	62.7	53.7			32.8	34.7			7.4	7.4
Age				0.513	0.474			0.788	0.375			0.172	0.678
≤62	120	59.2	48.3			27.6	32.5			14.7	16.0
>62	107	59.8	47.7			24.1	26.7			9.0	13.7
Lymph node by preoperative CT				1.326	0.250			0.395	0.530			0.013	0.908
No	153	58.2	46.4			26.1	29.8			10.2	14.7
Yes	44	50.0	40.9			31.9	31.9			16.2	16.2
Lesion location				15.747	0.000			5.923	0.047			0.378	0.828
Upper	33	30.3	21.2			49.2	55.6			12.6	22.3
Middle	153	62.7	51.0			24.0	27.7			12.1	14.2
Lowe	41	70.7	58.5			19.2	22.0			11.0	14.4
Lesion length(cm)				0.413	0.520			0.098	0.754			0.215	0.643
≤5	125	55.2	47.2			27.0	30.5			13.4	14.8
>5	102	64.7	49.0			24.9	29.0			10.0	14.8
Intraoperative adhesion				0.487	0.485			0.003	0,957			0.237	0.627
No/mild	130	60.0	49.2			25.6	29.8			12.0	15.8
Moderate/severe	97	58.8	46.4			26.6	29.7			12.0	13.8
Differentiation				7.798	0.005			1.563	0.211			19.243	0.000
poorly	38	44.7	26.3			30.8	40.0			31.1	40.9
Moderately to well	189	62.4	52.4			25.0	27.9			8.0	9.7
No. of lymph nodes removed(No.)				2.422	0.120			0.001	0.978			0.007	0.935
≤10	133	57.1	43.6			26.9	30.3			12.1	14.9
>10	94	62.8	54.3			24.9	29.1			11.7	14.9

ISSN: 1477-7819