Independent prognostic value of left atrial function by two-dimensional speckle tracking imaging in patients with non -ST-segment-elevation acute myocardial infarction

Table 5 Multivariable Predictors of Combined Cardiovascular Events by Cox Proportional Hazards Analysis

Variables	Hazard Ratio	95 % CI	Wald χ²	P Value
Age	0.8	0.5–1.44	2.85	0.095
LAPEF (%)	1.05	1.02–1.08	8.88	0.003**
LA total EF (%)	1.02	0.99–1.05	3.89	0.048*
E/E’ ratio	0.96	0.93–0.98	12.64	0.001**
Baseline mean GLSRs (s⁻¹)	1.27	1.01–1.59	4.05	0.044*
Baseline mean GLSRe (s⁻¹)	6.95	2.00–24.95	9.58	0.002**

LAPEF left atrial passive ejection fraction, LA total EF left atrial total ejection fraction, E/E’ ratio ratio of mitral to myocardial early diastolic peak velocity, GLSRs global longitudinal left atrial peak positive strain rate during ventricle systole, GLSRe global longitudinal left atrial peak negative strain rate during early ventricular diastole
*P < 0.05, **P < 0.01

ISSN: 1471-2261