Lymph node regression grade as a prognostic marker in rectal cancer after neoadjuvant therapy and radical resection

Table 1 Patients characteristics, n = 155, n (%)/mean ± SD

Patient characteristics	Value
Gender
Male	106 (68.39)
Female	49 (31.61)
Age (years)	54.1 ± 13.0
< 50	61 (39.35)
≥ 50	94 (60.65)
Post-CRT CEA (ng/mL)
< 5	122 (78.71)
≥ 5	33 (21.29)
Post-CRT CA19-9 (U/mL)
< 37	142 (91.61)
≥ 37	13 (8.39)
Distance from anal verge (cm)	4.7 ± 2.4
< 5	85 (54.84)
≥ 5	70 (45.16)
Operation
LAR	102 (65.81)
APR	53 (34.19)
Well/moderate	135 (87.10)
Poor	20 (12.90)
cTNM (AJCC 7th)
I	11 (7.10)
II	42 (27.10)
III	56 (36.12)
Unknow	46 (29.68)

CRT: Chemoradiotherapy; CEA: Carcinoembryonic antigen; CA19-9: Carbohydrate antigen 19-9; LAR: Low anterior resection; APR: Abdominoperineal resection; cTNM: Clinical tumor-node-metastasis; AJCC: American Joint Committee on Cancer.