Table 1.

Relationship between RACK1 expression and clinicopathological characteristics in ESCC

Patient characteristics	RACK1 positive N =59	RACK1 negative N = 41	P value
Gender (M:F)	47:12	32:9	0.846
Age mean	61.9 (42–78)	60.4 (45–74)	0.416
Tumor information
Location			0.060
Cervical/Upper	11 (18.6%)	2(4.9%)
Middle	27 (45.8%)	27 (65.9%)
Lower	21(35.6%)	12 (29.3%)
Tumor length in cm	4.1 (0.8–8.0)	3.3 (0.5–7.0)	0.012
Diameter <3 cm	16 (27.1%)	19 (46.3%)	0.047
T stage			0.032
I	4 (6.8%)	11 (26.8%)
II	12 (20.3%)	8 (19.5%)
III	40 (67.8%)	19 (46.3%)
IV	3 (5.1%)	3 (7.3%)
N stage			0.140
N0	31 (52.5%)	30 (73.2%)
N1	17 (28.8%)	8 (19.5%)
N2	7 (11.9%)	3 (7.3%)
N3	4 (6.8%)	0 (0%)
Lymph node matastasis	28 (47.5%)	11 (26.8%)	0.038
Ratio of lymph node <0.2	44 (74.6%)	35 (85.4%)	0.193
TNM stage			0.064
I	2 (11.9%)	12 (29.3%)
II	27 (45.8%)	18 (43.9%)
III	25 (42.4%)	11 (26.8%)
Histological grade			0.725
Well	25 (42.4%)	15 (36.6%)
Moderately	24 (40.7%)	20 (48.8%)
Poorly	10 (16.9%)	6 (14.6%)
Treatment regimen			0.202
Surgery only	29 (49.2%)	29 (70.7%)
Surgery plus postoperative R	16 (27.1%)	6 (14.6%)
Surgery plus postoperative C	8 (13.6%)	3 (7.3%)
Surgery plus postoperative CRT	6 (10.2%)	3 (7.3%)