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

Table 2

Subgroup analysis stratified by population, sample, and publication year.

Category	No. of studies	SEN (95% CI)	SPE (95% CI)	NLR (95% CI)	PLR (95% CI)	DOR (95% CI)	AUC (95% CI)
Population
Asian	7	78% (71%-84%)	68% (54%-80%)	0.32 (0.21-0.47)	2.5 (1.6-3.9)	8 (4-17)	0.81 (0.77-0.84)
Sample
>100	7	78% (70%-84%)	66% (55%-75%)	0.33 (0.23-0.49)	2.3 (1.6-3.2)	7 (4-13)	0.80 (0.76-0.83)
Publication year
>2015	8	78% (70%-84%)	0.69 (0.58-0.79)	0.32 (0.23-0.46)	2.5 (1.8-3.6)	8 (4-15)	0.81 (0.77-0.84)
Overall	10	79% (73%-84%)	0.71 (0.59-0.80)	0.30 (0.21-0.41)	2.7 (1.8-4.0)	9 (5-18)	0.82 (0.78-0.85)
Outliers excluded	9	81% (76%-85%)	0.72 (0.60-0.82)	0.26 (0.20-0.34)	2.9 (2.0-4.4)	11 (6-21)	0.82 (0.79-0.85)

SEN: sensitivity; SPE: specificity; NLR: negative likelihood ratio; PLR: positive likelihood ratio; DOR: diagnostic odds ratio; AUC: area under the receiver operating characteristic curve.