| CI | confidence interval |
| eGFR | estimated glomerular filtration rate |
| GRASP | the Getting Reduction of mitrAl inSufficiency by Percutaneous clip implantation registry |
| HR | hazard ratio |
| IQR | interquartile range |
| LVEDD | left ventricle end-diastolic diameter |
| LVEF | left ventricle ejection fraction |
| MR | mitral regurgitation |
| NYHA | New York Heart Association |
| SD | standard deviation |