Table 3.
Inter- and intraobserver variability.
| Interobsverser variability | Intraobserver variability | |||||
| mean difference | limits of agreement | coefficient of variability % | mean difference | limits of agreement | coefficient of variability % | |
| LVEDV (ml) | 1.8 | -1.7/5.2 | 2.3 | -0.1 | -2.3/2.0 | 1.4 |
| LVESV (ml) | 2.5 | -1.8/6.8 | 7.1 | 0.0 | -1.6/1.6 | 2.8 |
| LVM (g) | -5.6 | -11.4/0.3 | 6.3 | -0.5 | -3.2/2.2 | 2.8 |
| LVEF (%) | -2.6 | -7.9/2.6 | 4.5 | -0.2 | -1.7/1.3 | 1.3 |
| RVEDV (ml) | 0.7 | -6.2/7.5 | 4.2 | -2.3 | -6.5/1.9 | 2.6 |
| RVESV (ml) | 0.2 | -3.4/3.9 | 5.4 | -0.5 | -3.1/2.0 | 3.8 |
| RVM (g) | -3.2 | -5.8/-0.5 | 10.1 | 1.0 | -2.0/3.9 | 9.4 |
| RVEF (%) | 0.0 | -5.0/5.1 | 4.4 | -0.5 | -4.6/3.5 | 3.5 |
LVEDV: left ventricular enddiastolic volume; LVESV: left ventricular endsystolic volume; LVM: left ventricular myocardial mass; LVEF: left ventriculat ejection fraction; RVEDV: right ventricular enddiastolic volume; RVESV: right ventricular endsystolic volume; RVM: right ventricular myocardial mass; RVEF: right ventricular ejection fraction