TABLE 4.
Univariable and multivariable analysis for global myocardial work parameters.
Univariable analysis |
Multivariable analysis |
|||
Standardized coefficients | P-value | Standardized coefficients | P-value | |
Global work index (mmHg%) | ||||
SBP | 0.508 | <0.001 | 0.843 | <0.001 |
DBP | 0.157 | 0.052 | ||
LVM/height2.7 | 0.190 | 0.018 | ||
E/e′ | 0.277 | 0.001 | 0.148 | <0.001 |
LVEF | 0.315 | <0.001 | ||
LV GLS | –0.474 | <0.001 | –0.777 | <0.001 |
Global constructive work (mmHg%) | ||||
SBP | 0.539 | <0.001 | 0.878 | <0.001 |
DBP | 0.192 | 0.017 | ||
LVM/height2.7 | 0.138 | 0.086 | ||
E/e′ | 0.225 | 0.005 | 0.099 | 0.002 |
LVEF | 0.334 | <0.001 | ||
LV GLS | –0.471 | <0.001 | –0.796 | <0.001 |
Global wasted work (mmHg%) | ||||
Age | 0.194 | 0.016 | ||
BSA | 0.167 | 0.037 | ||
SBP | 0.217 | 0.007 | ||
DBP | 0.242 | 0.002 | ||
IVSd | 0.173 | 0.031 | ||
E/A | –0.227 | 0.005 | –0.165 | 0.038 |
LV GLS | 0.287 | <0.001 | ||
PSD | 0.300 | <0.001 | 0.250 | 0.002 |
Global work efficiency (%) | ||||
Age | –0.169 | 0.036 | ||
BSA | –0.170 | 0.034 | ||
DBP | –0.196 | 0.015 | ||
IVSd | –0.182 | 0.023 | ||
E/A | 0.224 | 0.005 | 0.162 | 0.036 |
LV GLS | –0.404 | <0.001 | –0.306 | <0.001 |
PSD | –0.299 | <0.001 | –0.208 | 0.007 |
SBP, systolic blood pressure; DBP, diastolic blood pressure; LVM, left ventricular mass; BSA, body surface area; IVSd, interventricular septal diameter; LVEF, left ventricular ejection fraction; E, early mitral inflow velocity; A, late mitral inflow velocity; e′, peak early diastolic velocity of the septal mitral annulus (tissue Doppler image); LV GLS, left ventricular global longitudinal strain; PSD, peak strain dispersion.