Table 3.

The relationship between microbial invasion and interleukin (IL)-6 level

Laboratory test	Microbial invasion (+) (n=40)		Microbial invasion (−) (n=60)		Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
IL-6a)	34b)	6c)	8d)	52e)	85	86.67	80.95	89.65

n, number of subjects; PPV, positive predictive value; NPV, negative predictive value.

^a)IL-6: No. of patients with high IL-6 level (≥15 pg/mL) (n=42);

^b)True positive;

^c)False negative;

^d)False positive;

^e)True negative.