Diagnostic Value of Neutrophil-Lymphocyte Ratio for Predicting the Severity of Acute Pancreatitis: A Meta-Analysis

Table 1

General features of the included studies.

Author	Country	Year	TP	FP	FN	TN	Sample	Case/control	Etiology	Collecting time	AUC	Cut-off	Sensitivity (%)	Specificity (%)
Zhou	China	2016	19	26	5	68	118	24/94	Biliary/hyperlipidemia/alcoholic/other	1 day after admission	0.794	9.87	79.3	72.3
Yu	China	2012	17	6	3	70	96	20/76	NA	1 day after admission	0.906	7.85	85	92.11
Qu	China	2018	28	14	8	70	120	36/84	Biliary/hyperlipidemia/alcoholic/other	1 day after admission	0.794	9.863	76.9	83.8
Liu	China	2017	12	47	4	57	120	16/104	Biliary/nonbiliary	1 day after admission	0.653	11.93	75	54.8
Jeon	Korea	2017	44	187	26	233	490	70/420	Biliary/hyperlipidemia/alcoholic/idiopathic/cancer	1 day after admission	0.620	5.18	62.9	55.5
Wang	USA	2017	9	18	1	82	110	10/100	Hyperlipidemia	On admission	0.891	10	90	82
Huang	China	2019	20	33	3	33	89	23/66	Hyperlipidemia	1 day after admission	0.706	5.88	87	50
Ünal	Turkey	2019	11	9	4	62	96	15/81	Biliary/hyperlipidemia/alcoholic/ERCP	Within 3 hours after admission	0.747	7.94	73.3	76.5
Suppiah	UK	2013	19	62	3	62	146	22/124	Biliary/alcoholic/other	1 day after admission	0.764	8.1	86.4	50
Han	China	2017	129	76	29	94	328	158/170	Biliary/smoking/alcoholic/prior acute pancreatitis/other	1 day after admission	0.723	9.64	81.65	55.29

TP: true positive rate; FP: false positive rate; FN: false negative rate; TN: true negative rate; NA: not available.