Natural killer cell dysfunction is associated with colorectal cancer with severe COVID-19

Table 3 Area under the curve and 95%CI of the receiver operator characteristic curve

	AUC	95%CI	P value
NK cells (%)	0.711	0.526-0.896	0.049
NK cells (109/L)	0.727	0.545-0.908	0.034
NKT cells (%)	0.724	0.539-0.910	0.036
NKT cells (109/L)	0.720	0.535-0.905	0.040
NKCA (%)	0.824	0.672-0.977	0.002
NKCF activity (%)	0.738	0.553-0.922	0.026

AUC: Area under the curve; NK: Natural killer; NKCA: Natural killer cell cytotoxic activity; NKCF: Natural killer cytotoxic factor.