Preoperative sorting of circulating T lymphocytes in patients with esophageal squamous cell carcinoma: Its prognostic significance

Table 1 Relationship between serum CD4 value and clinic-opathological features (mean±SD), n (%)

	Group H-CD4	Group L-CD4	P
Variables	(n = 68)	(n = 66)
Gender
Male	57 (83.8)	61 (92.4)	0.205
Female	11 (16.2)	5 (7.6)
Age	60.9±8.8	64.1+9.6	0.046
Location of tumor
Upper	12 (17.6)	11 (16.7)	0.845
Middle	38 (55.9)	40 (60.6)
Lower	18 (26.5)	15 (22.7)
Degree of differentiation
Well	4 (5.9)	6 (9.1)	0.620
Moderately	57 (83.8)	51 (77.3)
Poorly	7 (10.3)	9 (13.6)
Tumor size (cm)	5.3+2.7	5.4+2.5	0.970
Depth of tumor
Tis	2 (2.9)	2 (3.0)	0.051
T1a	6 (8.8)	5 (7.6)
T1b	15 (22.1)	9 (13.6)
T2	14 (20.6)	9 (13.6)
T3	15 (22.1)	33 (50.0)
T4	16 (23.5)	8 (12.2)
Lymph nodes metastasis
Positive	24 (35.3)	31 (53.0)	0.231
Negative	44 (64.7)	35 (47.0)
Lymphatic invasion
Positive	12 (17.6)	18 (27.3)	0.259
Negative	56 (82.4)	48 (72.7)
Venous invasion
Positive	5 (7.4)	11 (16.7)	0.163
Negative	63 (92.6)	55 (83.3)
TNM stage
0	2 (2.9)	2 (3.0)	0.749
I	17 (25.0)	11 (16.7)
IIA	16 (23.5)	18 (27.3)
IIB	10 (14.7)	8 (12.2)
III	23 (33.8)	27 (40.8)
Curability
Curative resection	52 (76.5)	56 (84.8)	0.314
Non curative resection	16 (23.5)	10 (15.2)

Well = well differentiated squamous cell carcinoma; Moderately = moderately differentiated squamous cell carcinoma; Poorly = poorly differentiated squamous cell carcinoma.