The Role of Circulating CD16+CD56+ Natural Killer Cells in the Screening, Diagnosis, and Staging of Colorectal Cancer before Initial Treatment

Table 1

Clinical characteristics of enrolled participants.

Cases	Healthy control ()	Stage I ()	Stage II ()	Stage III ()	Stage IV ()	value
Male	34	36	30	39	32	0.40^#
value^$	0.50^$$	0.81	0.446	0.91	0.28	—
Age (years)						0.49
value	0.63^$$	0.25	0.83	0.17	0.59	—
Body weight (kg)						0.53
value	0.48^$$	0.15	0.67	0.77	0.74	—
Height (cm)						0.40
value	0.89^$$	0.72	0.48	0.31	0.45	—
BMI						0.37
value	0.56^$$	0.65	0.94	0.27	0.39	—
Total NK cells (% in lymphocytes)						<0.001
value	<0.01^$$	0.38	0.28	<0.01	<0.001	—

^# test among all groups. ANOVA test among all groups. ^$ test between the healthy control group and the other corresponding groups. -test between the healthy control group and the other corresponding groups. ^$$ value of healthy vs. CRC cases, test or -test.