Table 2.
Intra- and inter-observer variabilities of the echocardiographic parameters
| Echocardiographic parameters | Mean difference ± SD |
|---|---|
| Intra-observer variability | |
| LVID (mm) | 0.05 ± 0.02 |
| LVFS (%) | 0.6 ± 0.2 |
| Inter-observer variability | |
| LVID (mm) | 0.08 ± 0.04 |
| LVFS (%) | 1.3 ± 0.2 |
LVID, Left ventricular end diastolic internal diameter; LVFS, Left ventricular fractional shortening.