Table 1.

β-Gal activity of each clinicopathological factor.

Variables (n = 89)		n	β-Gal activity	p-value
Sex	Male	68	0.181(0.002–0.516)	0.546
	Female	21	0.181(0.034–0.444)
Age (years)	< 75	55	0.175(0.002–0.516)	0.057
	≥ 75	34	0.191(0.111–0.463)
Preoperative BMI (kg/m2)	< 25	67	0.179(0.034–0.463)	0.816
	≥ 25	22	0.183(0.002–0.516)
Preoperative Hb (g/dl)	< 12.0	29	0.188(0.111–0.463)	0.129
	≥ 12.0	60	0.175(0.002–0.516)
Preoperative albumin (g/dl)	< 4.0	36	0.186(0.104–0.463)	0.237
	≥ 4.0	53	0.176(0.002–0.516)
Preoperative CRP (mg/dl)	< 0.3	71	0.181(0.002–0.463)	0.818
	≥ 0.3	18	0.175(0.104–0.516)
Preoperative CEA (ng/dl)	< 5.0	53	0.179(0.002–0.463)	0.637
	≥ 5.0	36	0.184(0.093–0.516)
Preoperative CA19-9 (U/ml)	< 37	75	0.182(0.002–0.516)	0.723
	≥ 37	14	0.173(0.121–0.463)
NAC	−	82	0.182(0.002–0.516)	0.154
	+	7	0.161(0.104–0.272)
pT	1–2	31	0.182(0.002–0.516)	0.483
	3–4	58	0.178(0.034–0.463)
pN	−	23	0.188(0.104–0.456)	0.407
	+	66	0.178(0.002–0.516)
ly	−	15	0.188(0.115–0.463)	0.453
	+	74	0.180(0.002–0.516)
v	−	17	0.182(0.115–0.456)	0.635
	+	72	0.180(0.002–0.516)
Histological type	dif	50	0.184(0.002–0.463)	0.435
	undif	39	0.175(0.104–0.516)

Values of p were obtained by Wilcoxon test. BMI body mass index, CRP C-reactive protein, CEA Carcinoembryonic antigen, CA19-9 carbohydrate antigen 19-9, NAC neoadjuvant chemotherapy, dif differentiated, undif undifferentiated.