Table 1.

Eligibility criteria of the systematic review

Type of study design	Longitudinal (cohort) studies, including placebo limbs of population-based clinical trials
Type of participants/population	Adults (>18 years) General population, community/population-based samples or community-dwelling individuals not selected on the basis of disease or clinical status
Type of procedure	Speckle-tracking echocardiography (STE)
Measured parameters (exposure)	LV strain measured at rest by STE in any direction of the myocardial motion (ie, global longitudinal strain and/or circumferential strain and/or radial strain and/or transverse strain, and/or any STE-derived parameters, for example, torsion and/or twist)
Type of outcomes	Primary outcome: all-cause mortality Secondary outcomes: composite cardiovascular and cardiac end points (see text for details)
Year of publication	No limit applied
Languages	Articles published in English
Publication status	Published in a peer-reviewed journal