Prognostic value of vascular endothelial growth factor receptor 1 and class III β-tubulin in survival for non-metastatic rectal cancer

Table 1 Patient characteristics

Characteristics	Data, n (%)
Gender
Female	36 (48)
Male	39 (52)
Age (yr)
median (range)	52 (29-74)
≤ 60	58 (77.3)
> 60	17 (22.7)
Pre-CEA (ng/mL)
≤ 5	36 (63.2)
> 5	21 (36.8)
Pre-Hb (g/L)
≤ 120	26 (34.7)
> 120	49 (65.3)
Distance to verge (cm)
≤ 5	46 (61.3)
> 5	29 (38.7)
T stage
T1 + T2	13 (17.3)
T3 + T4	63 (82.6)
Lymph node metastasis
Negative	22 (29.3)
Positive	53 (70.6)
Venous invasion
Negative	68 (90.7)
Positive	7 (9.3)
Tumor differentiation
Poorly differentiated	20 (26.7)
Moderately-well differentiated	55 (73.3)
Chemotherapy
No	9 (12)
Yes	66 (88)
TUBB3 expression
Low-expression	39 (52)
High-expression	36 (48)
VEGFR1 expression
Low-expression	53 (70.7)
High-expression	22 (29.3)
TUBB3 and VEGFR1
Both low expression	32 (42.6)
Others	43 (57.3)

Pre-CEA: Preoperative carcino-embryonic antigen; Pre-Hb: Preoperative hemoglobin.