Predictive value of neutrophil to lymphocyte ratio in patients with acute ST segment elevation myocardial infarction after percutaneous coronary intervention: a meta-analysis

Table 2 Results of high NLR and low NLR mortality rates and cardiovascular events

Outcomes	Included studies	Heterogeneity			Test for overall effect
Outcomes	Included studies	χ²	P	I²(%)	Z	P	RR 95%CI
In-hospital
AHF	19,20	1.54	0.22	35	5.81	< 0.00001	1.81[1.48,2.21]
Angina	14,20	0.08	0.78	0	2.71	0.007	1.67[1.15,2.41]
Arrhythmia	8, 10,14,20	0.82	0.84	0	3.14	0.002	1.38[1.13,1.69]
In-stent thrombosis	7,13	0.03	0.86	0	3.99	< 0.0001	2.72[1.66,4.44]
MACE	7,9,11,13,15,19	3.83	0.57	0	6.53	< 0.00001	2.00[1.62,2.46]
Nonfatal MI	7,9,13,19,20	4.88	0.30	18	4.32	< 0.0001	1.93[1.43,2.61]
No reflow	7,9,10,13,15,19	40.00	< 0.00001	87	3.63	0.0003	2.28[1.46,3.57]
All mortality	7,9,10,15,17,20	1.87	0.87	0	6.61	< 0.00001	3.23[2.28,4.57]
Cardiac mortality	10,13,14,16,19	1.77	0.78	0	6.42	< 0.00001	3.22[2.25,4.60]
Long-term
Nonfatal MI	9, 11,13,19,	10.90	0.01	72	0.75	0.46	1.32[0.63,2.75]
MACE	9,10,11,13,15,19	53.33	< 0.00001	91	3.39	0.0007	2.49[1.47,4.23]
All mortality	8,9,10,11,12,14,15	3.85	0.70	0	10.06	< 0.00001	3.82[2.94,4.96]
Cardiac mortality	10,13,16,18,19	43.78	< 0.00001	91	2.85	0.004	3.02[1.41,6.45]

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