Neutrophil to Lymphocyte Ratio and Spontaneous Bacterial Peritonitis among Cirrhotic Patients: A Systematic Review and Meta-analysis

Table 1

General characteristics of included studies.

First author	Year	Country	Design	End point	NLR cutoff point	Sensitivity	Specificity	Cases		Controls		NOS score
								N	NLR	N	NLR
Kwon [21]	2015	South Korea	Retrospective	Infection	—	—	—	58	8.30 ± 10.10	126	4.90 ± 6.80	7
Cai [18]	2017	China	Retrospective	Infection	—	—	—	708	7.70 ± 5.00	1358	2.49 ± 1.48	8
Iliaz [19]	2018	Turkey	Prospective	SBP	9.2	78%	76%	70	10.20 ± 10.40	55	4.10 ± 3.10	6
Moreau [24]	2018	Belgium	Retrospective	Infection	—	—	—	45	17.33 ± 15.31	63	9.66 ± 8.34	7
Mousa [25]	2018	Egypt	Prospective	SBP	2.89	80%	89%	126	5.46 ± 4.12	54	2.10 ± 0.76	7
Abdel-Razik [14]	2019	Egypt	Retrospective	SBP	2.50	87%	80%	84	2.40 ± 1.80	598	1.90 ± 1.20	7
Awad [15]	2020	Egypt	Prospective	SBP	3.50	100%	43%	70	26.34 ± 72.67	70	5.65 ± 3.80	6
Badawi [16]	2020	Egypt	Prospective	SBP	3.53	55%	40%	22	5.96 ± 6.15	15	4.42 ± 2.37	6
Piotrowski [26]	2020	Poland	Retrospective	Infection	3.96	43%	86%	60	3.30 ± 3.45	149	2.05 ± 1.28	6
Baweja [17]	2021	India	Prospective	SBP	3.38	94%	80%	50	6.73 ± 2.70	50	2.81 ± 1.06	6
Magalhaes [22]	2021	Portugal	Retrospective	Infection	—	—	—	43	4.80 ± 1.92	96	4.00 ± 2.07	7
Mani [23]	2021	Greece	Prospective	SBP	—	—	—	63	0.80 ± 0.09	30	0.68 ± 0.10	6
Popoiag [27]	2021	Romania	Retrospective	SBP	2.40	99%	82%	72	3.67 ± 1.13	14460	1.87 ± 0.49	8
Koncoro [20]	2022	Indonesia	Prospective	Infection	—	—	—	20	7.23 ± 8.46	60	7.36 ± 12.25	6

N:number; NLR: neutrophil to lymphocyte ratio; SBP: spontaneous bacterial peritonitis; and NOS: the Newcastle–Ottawa quality assessment scale.