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

Table 4 Meta-regression analysis of variables associated with all-cause mortality and cardiovascular mortality

Variables	Number of studies	Coefficient estimate	95%CI	P value
All-cause mortality
Age	11	-0.02	-0.03 to 0.01	< 0.0001
Males	11	0.005	-0.003 to 0.01	0.22
BMI	4	-0.05	-0.23 to 0.12	0.55
Hypertension	6	0.002	-0.005 to 0.01	0.5
Diabetes	9	-0.005	-0.01 to 0.0006	0.08
CRP	4	0.1	-0.03 to 0.23	0.13
Hemoglobin	9	0.08	-0.08 to 0.24	0.32
Serum creatinine	6	0.06	-0.02 to 0.13	0.17
Serum ferritin	5	0.0004	-0.0001 to 0.0009	0.12
Serum albumin	10	0.17	-0.13 to 0.47	0.26
Smoking	5	-0.02	-0.06 to 0.02	0.28
Cardiovascular mortality
Age	4	-0.02	-0.04 to 0.004	0.01
Males	4	0.005	0.003 to 0.008	< 0.0001
Diabetes	4	-0.004	-0.01 to 0.006	0.43
Hemoglobin	4	0.26	-0.04 to 0.56	0.09
Serum albumin	4	0.54	-0.75 to 1.83	0.41

BMI: Body mass index; CRP: C-reactive protein