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Table 2 Biplane univariate analysis to determine variables in LARS, LACS and LABS

From: Left atrial strain in patients without cardiovascular disease: uncovering influencing and related factors

 

LARS

LACS

LABS

Predictors

R

R

R

Age

-0,47***

-0,64***

0,25***

SBP

-0,21**

-0,34***

0,20*

DBP

ns

-0,19*

0,22**

WT

-0,26***

-0,33***

ns

LVEDVi

0,25***

0,29***

ns

LVESVI

0,19*

0,25**

ns

GLS

0,43***

0,45***

ns

LAVmin

-0,46***

-0,31***

-0,27***

LAEF

0,72***

0,53***

0,33***

E wave

0,25**

0,45***

-0,32***

A wave

-0,15*

-0,37***

0,33***

E/A

0,28***

0,55***

-0,40***

IRT

-0,24**

-0,33***

ns

e’ mean

0,55***

0,76***

-0,28***

E/e’

-0,36***

-0,37***

ns

TAPSE

0,27***

0,27***

ns

LASI

 

-0,59***

-0,26***

LVEF

0,05 ns

0,02 ns

0,04 ns

  1. A = peak mitral inflow late velocity; DBP = diastolic blood pressure; E = peak mitral inflow early velocity; e’ mean = mitral annular early velocity; GLS = global longitudinal strain; IRT = isovolumic relaxation time; LABS = left atrial booster strain; LACS = left atrial conduction strain; LAEF = left atrial ejection fraction; LARS = left atrial reservoir strain; LASI = left atrial stiffness index; LAVI = left atrial volume indexed to body surface area; LAVmin = left atrial minimum volume; LVEDVi = left ventricular diastolic volume indexed to body surface area; LVESVi = left ventricular systolic volume indexed to body surface area; SBP = systolic blood pressure; TAPSE = tricuspid annular plane systolic excursion; WT = wall thickness
  2. *p < 0,05; ** p < 0,005; *** p < 0,0005; ns: not significant