Table 5.

Best cutoff for predicting anastomotic leakage with C-reactive protein, percentage of neutrophils on postoperative days 3 to 7 and the relative sensitivity, specificity, and positive and negative predictive values.

	POD	AUC	Cutoff	Sensitivity at cutoff, %	Specificity at cutoff, %	PPV, %	NPV, %
CRP, mg/L	3	0.766	103.15	66.7	83.6	19	98
	4	0.856	64.35	100	75.7	20	100
	5	0.922	72.15	100	88.2	33	100
	6	0.932	76.6	83.3	94.6	68	99
	7	0.875	56.55	75	90.9	33	98
N%	3	0.885	82.25	100	65.3	14	100
	4	0.770	87.1	60	97.7	61	98
	5	0.805	79	80	82.5	21	99
	6	0.817	71.85	88.9	75.6	18	99
	7	0.696	72.35	80	66.7	12	98