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Table 3 Intra-observer and inter-observer variability for %Δ in LVEDV, LVESV, LVM and LVEF

From: Defining left ventricular remodeling following acute ST-segment elevation myocardial infarction using cardiovascular magnetic resonance

  Intra- observer Inter-observer
  SEM (95%CI) Bias ± limits of agreement MDC95 SEM (95%CI) Bias ± limits of agreement MDC95
T&P included as part of the LV volume
 %ΔLVEDV
 (n = 40)
3.9 (3.2 to 5.0) % 0.2 ± 6.8% 11% 4.3 (3.6 to 5.6) % 2.2 ± 6.0% 12%
 %ΔLVESV
 (n = 40)
3.4 (2.8 to 4.4) % 1.5 ± 8.6% 9% 4.0 (3.3 to 5.1) % 0.7 ± 9.8% 11%
 %ΔLVM
 (n = 40)
3.7 (3.1 to 4.8) % 0.9 ± 8.8% 10% 4.1 (3.4 to 5.3) % 0.2 ± 10.6% 11%
 %ΔLVEF
 (n = 40)
4.0 (3.2 to 5.1) % −1.5 ± 9.0% 11% 4.2 (3.5 to 5.4) % 1.8 ± 9.8% 12%
T&P included as part of the LV mass
 %ΔLVEDV
 (n = 40)
3.8 (3.1 to 4.9) % 1.0 ± 8.0% 11% 4.5 (3.7 to 45.7) % 1.5 ± 8.2% 11%
 %ΔLVESV
 (n = 40)
3.6 (3.0 to 4.6) % 0.8 ± 8.4% 10% 4.5 (3.7 to 5.8) % 1.1 ± 10.0% 12%
 %ΔLVM
 (n = 40)
4.0 (3.3 to 5.2) % −1.2 ± 9.0% 11% 4.4 (3.6 to 5.6) % 1.3 ± 11.0% 12%
 %ΔLVEF
 (n = 40)
4.2 (3.5 to 5.4) % 0 ± 9.8% 12% 4.6 (3.8 to 5.9) % 0.3 ± 9.8% 13%
  1. SEM standard error of the measurement, MDC95 minimal detectable change with 95% confidence, percentage change, LVEDV left ventricular end-diastolic volume LVESV left ventricular end-systole volume LVM left ventricular mass LVEF left ventricular ejection fraction T&P trabeculae and papillary muscles