Association of neutrophil-lymphocyte ratio with cardiovascular and all-cause mortality in patients receiving chronic hemodialysis: Systematic review and meta-analysis

Table 1 Baseline characteristics of the study population from the included studies, n (%)/mean ± SD

Ref.	Type of study	Follow-up in years	Sample size	Age in years	Males	BMI (Kg/m²)	Serum albumin (g/dL)	Absolute neutrophil value (109/L)	Absolute lymphocytes value (109/L)	Total leukocytes (109/L)
Erdem et al[13]	P	1	59	55.6 ± 44	35 (59)	26.91 ± 6	3.85 ± 0.383	4.30 ± 1.57a	1.27 ± 0.35a	6.35 ± 1.6a
Abe et al[14]	P	N/A	86	57.6 ± 11.5	58 (67.4)	22.0 ± 4.0	3.5 ± 0.5	4.1 ± 1.7a	1.1 ± 0.4a	6.0 ± 2a
Neuen et al[15]	R	5	170	54 ± 11	102 (60)	26 ± 1.5	3.4 ± 0.13a	5.1 ± 1.7a	1.7 ± 0.57a	7.7 ± 0.59
Ouellet et al[16]	R	2	5782	62.5 ± 15.2a	3180(55)a	N/A	3.72 ± 0.48a	64.5 ± 10.7a	22.22 ± 9.01a	7.26 ± 2.56a
Yaprak et al[17]	P	N/A	80	56.8 ± 18.1	32 (40)	N/A	3.64 ± 0.47	3.904 ± 1.543	1.44 ± 0.5	N/A
Sato et al[18]	R	2	78	63.4 ± 11.7	51 (65.4)	23.4 ± 3.9	3.2 ± 0.5	N/A	N/A	6.3 ± 2.18a
Li et al[19]	P	N/A	268	48.7 ± 10.9	149 (55)	N/A	3.63 ± 0.35	N/A	N/A	N/A
Xiang et al[20]	P	6	355	58.0 ± 14.9a	220 (62)	21.5 ± 3.30	4 ± 0.9a	4.0 ± 0.3a	1.2 ± 0.09a	5.89 ± 0.39a
Woziwodzka et al[21]	P	5	84	61.5 ± 4.38	50 (59.5)	25.1 ± 1.21	4.2 ± 0.11a	N/A	N/A	6.9 ± 0.48a
Balboul et al[22]	R	N/A	554	67.6 ± 14.2	66 (12)	26.7 ± 6.0	3.47 ± 0.6	4.8 ± 0.52	1.3 ± 0.14	7.0 ± 0.59
Kular et al[23]	R	N/A	224	65.8 ± 14.4a	133 (59)	N/A	3.36 ± 6.32	4.67 ± 2.99a	0.903 ± 0.49	6.16 ± 3.18a
Oguz et al[24]	P	N/A	123	61 ± 15.6a	75 (61)	N/A	3.47 ± 0.65a	4.8 ± 3.1a	0.99 ± 0.89	6.6 ± 4.6a
Zhang et al[25]	P	5.9	360	60 ± 3.17	201 (56)	N/A	4.05 ± 0.08	4.05 ± 0.34a	1.17 ± 0.112a	N/A
Lano et al[6]	P	2	183	65.5 ± 16.3a	106(58)a	N/A	3.78 ± 0.56	4.3 ± 1.8a	1.29 ± 0.58a	6.9 ± 5.0a
Wang et al[26]	R	3	185	56.3 ± 13.8a	88 (47.6)	N/A	3.878 ± 0.36a	N/A	N/A	N/A
Parmelia et al[27]	P	1	186	56.3 ± 11.1	110 (59)	N/A	N/A	3.9 ± 0.38a	1.3 ± 0.12a	6.2 ± 0.38
Wang et al[28]	R	4.83	240	63.4 ± 13.7	161 (67)	N/A	3.754 ± 0.42a	N/A	N/A	N/A
Zhang et al[29]	R	7	303	53.7 ± 13.17	184 (61)	N/A	4 ± 0.23	4.1 ± 1.1	1.3 ± 0.3a	N/A
He et al[30]	P	N/A	168	55.4 ± 15.1a	101 (60)	N/A	4.15 ± 0.55	4.51 ± 1.84	1.38 ± 0.56a	N/A

^aP < 0.05.

BMI: Body mass index; R: Retrospective; P: Prospective; N/A: Not applicable.