Table 3 repeatability and reproducibility of MW parameters
From: Afterload-related reference values for myocardial work indices
variables | Value1 | Value2 | Bias2-1 | P-value |
|---|---|---|---|---|
Intra-observer | ||||
  GWI (mmHg%) | 2090 ± 454 | 2078 ± 457 | -13 ± 84 | 0.350 |
  GCW (mmHg%) | 2404 ± 503 | 2395 ± 507 | -9 ± 102 | 0.583 |
  GWW (mmHg%) | 76 ± 34 | 79 ± 37 | 3 ± 24 | 0.492 |
  GWE (%) | 96 (95–97) | 96 (95–97) | 0 (-1–1) | 0.826 |
Inter-observer | ||||
  GWI (mmHg%) | 2090 ± 454 | 2071 ± 440 | -19 ± 90 | 0.179 |
  GCW (mmHg%) | 2404 ± 503 | 2375 ± 493 | -29 ± 97 | 0.066 |
  GWW (mmHg%) | 76 ± 34 | 77 ± 38 | 1 ± 27 | 0.733 |
  GWE (%) | 96 (95–97) | 96 (95–97) | 0 (-1–1) | 0.472 |