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Table 2 Intra-observer and inter-observer variability for LV parameters

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

  Intra- observer Inter-observer
  SEM (95% CI) CoV Bias ± limits of agreement SEM (95% CI) CoV Bias ± limits of agreement
T&P included as part of the LV volume
LVEDV
 Acute (n = 40) 5.0 (4.1 to 6.4) ml 2.1% 0 ± 7.2 m 5.5 (4.5 to 7.0) ml 2.7% −2.9 ± 9.6 ml
 Chronic (n = 40) 5.7 (4.7 to 7.4) ml 2.3% 0.1 ± 8.4 ml 6.3 (5.2 to 8.1) ml 3.3% 0.6 ± 11.8 ml
LVESV
 Acute (n = 40) 4.2 (3.5 to 5.4) ml 3.4% −1.4 ± 6.0 ml 4.5 (3.7 to5.7) ml 4.9% −0.6 ± 8.8 ml
 Chronic (n = 40) 5.1 (4.2 to 6.5) ml 3.4% −0.1 ± 6.0 ml 5.9 (4.8 to 7.6) ml 5.0% 0 ± 8.8 ml
LVM
 Acute (n = 40) 7.4 (6.1 to 9.5) g 3.8% 0.3 ± 8.6 g 7.7 (6.3 to 9.9) g 4.4% −2.2 ± 10.0 g
 Chronic (n = 40) 6.6 (5.4 to 8.5) g 4.5% 1.4 ± 9.8 g 7.6 (6.1 to 9.8) g 5.0% −1.8 ± 10.6 g
LVEF
 Acute (n = 40) 3.2 (2.7 to 4.2) % 4.1% 0.9 ± 4.0% 2.2 (1.8 to 2.9) % 4.9% −0.4 ± 4.8%
 Chronic (n = 40) 1.9 (1.5 to2.4) % 3.2% 0 ± 3.4% 2.7 (2.2 to3.5) % 4.6% 0.2 ± 4.8%
T&P included as part of the LV mass
LVEDV
 Acute (n = 40) 5.1 (4.2 to 6.5) ml 2.6% −0.4 ± 8.2 ml 5.3 (4.3 to 6.8) ml 3.1% −2.6 ± 10.0 ml
 Chronic (n = 40) 4.1 (3.4 to 5.3) ml 2.5% 0.9 ± 8.2 ml 5.2 (4.3 to 6.7) ml 3.5% −0.4 ± 11.6 ml
LVESV
 Acute (n = 40) 4.7 (3.8 to 6.0) ml 3.1% −0.1 ± 4.8 ml 5.5 (4.5 to 7.0) ml 6.1% −2.8 ± 9.8 ml
 Chronic (n = 40) 4.4 (3.6 to 5.6) ml 3.5% 1.0 ± 5.2 ml 5.3 (4.3 to 6.8) ml 6.2% −2.2 ± 9.6 ml
LVM
 Acute (n = 40) 6.3 (5.2 to 8.1) g 3.2% 0.6 ± 8.2 g 7.4 (6.1 to 9.5) g 4.3% −3.3 ± 11.2 g
 Chronic (n = 40) 4.0 (3.3 to 5.2) g 3.4% −0.9 ± 8.0 g 4.2 (3.5 to 5.4) g 5.0% −1.3 ± 11.8 g
LVEF
 Acute (n = 40) 1.7 (1.4 to 2.2) % 3.5% −0.2 ± 3.6% 2.4 (2.0 to 3.1) % 6.1% 0.9 ± 6.2%
 Chronic (n = 40) 2.0 (1.6 to 2.6)% 3.2% −0.2 ± 3.6% 2.6 (2.2 to 3.4) % 5.1% 1.3 ± 5.8%
  1. SEM standard error of the measurement, CoV coefficient of variation, 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