| T1 measure . | Intra-observer . | Inter-observer . | Scan–rescan . | |||
|---|---|---|---|---|---|---|
| . | Mean difference . | ICC . | Mean difference . | ICC . | Mean difference . | ICC . |
| Blood-pool pre-contrast T1, ms | 0.6 (−6.0 to 7.2) | 1.00 (1.00–1.00) | 2.6 (−6.1 to 11.3) | 1.00 (0.99–1.00) | 43.6 (−91.7 to 178.9) | 0.65 (0.12 to 0.90) |
| Myocardial pre-contrast T1, ms | −1.8 (−14.7 to 11.1) | 0.99 (0.96–1.00) | −5.7 (−14.9 to 3.5) | 0.99 (0.75–1.00) | 16.1 (−25.9 to 58.1) | 0.72 (0.16 to 0.93) |
| Blood-pool post-contrast T1, ms | 0.4 (−1.7 to 2.5) | 1.00 (1.00–1.00) | −0.3 (−2.2 to 1.6) | 1.00 (1.00–1.00) | 14.0 (−99.0 to 127.0) | 0.58 (−0.02 to 0.88) |
| Myocardial post-contrast T1, ms | 1.4 (−6.7 to 9.5) | 1.00 (0.99–1.00) | 4.5 (−0.7 to 15.5) | 1.00 (0.98–1.00) | 17.8 (−76.9 to 112.5) | 0.56 (−0.01 to 0.87) |
| Partition coefficient | −0.003 (−0.012 to 0.007) | 0.99 (0.96–1.00) | −0.011 (−0.03 to 0.01) | 0.94 (0.31–0.99) | −0.003 (−0.02 to 0.02) | 0.93 (0.76 to 0.98) |
| ECV, % | −0.05 (−0.34 to 0.24) | 1.00 (1.00–1.00) | −0.54 (−1.47 to 0.39) | 0.97 (0.60–0.99) | 0.09 (−1.16 to 1.34) | 0.96 (0.85 to 0.99) |
| T1 measure . | Intra-observer . | Inter-observer . | Scan–rescan . | |||
|---|---|---|---|---|---|---|
| . | Mean difference . | ICC . | Mean difference . | ICC . | Mean difference . | ICC . |
| Blood-pool pre-contrast T1, ms | 0.6 (−6.0 to 7.2) | 1.00 (1.00–1.00) | 2.6 (−6.1 to 11.3) | 1.00 (0.99–1.00) | 43.6 (−91.7 to 178.9) | 0.65 (0.12 to 0.90) |
| Myocardial pre-contrast T1, ms | −1.8 (−14.7 to 11.1) | 0.99 (0.96–1.00) | −5.7 (−14.9 to 3.5) | 0.99 (0.75–1.00) | 16.1 (−25.9 to 58.1) | 0.72 (0.16 to 0.93) |
| Blood-pool post-contrast T1, ms | 0.4 (−1.7 to 2.5) | 1.00 (1.00–1.00) | −0.3 (−2.2 to 1.6) | 1.00 (1.00–1.00) | 14.0 (−99.0 to 127.0) | 0.58 (−0.02 to 0.88) |
| Myocardial post-contrast T1, ms | 1.4 (−6.7 to 9.5) | 1.00 (0.99–1.00) | 4.5 (−0.7 to 15.5) | 1.00 (0.98–1.00) | 17.8 (−76.9 to 112.5) | 0.56 (−0.01 to 0.87) |
| Partition coefficient | −0.003 (−0.012 to 0.007) | 0.99 (0.96–1.00) | −0.011 (−0.03 to 0.01) | 0.94 (0.31–0.99) | −0.003 (−0.02 to 0.02) | 0.93 (0.76 to 0.98) |
| ECV, % | −0.05 (−0.34 to 0.24) | 1.00 (1.00–1.00) | −0.54 (−1.47 to 0.39) | 0.97 (0.60–0.99) | 0.09 (−1.16 to 1.34) | 0.96 (0.85 to 0.99) |
ECV, extracellular volume fraction.
| T1 measure . | Intra-observer . | Inter-observer . | Scan–rescan . | |||
|---|---|---|---|---|---|---|
| . | Mean difference . | ICC . | Mean difference . | ICC . | Mean difference . | ICC . |
| Blood-pool pre-contrast T1, ms | 0.6 (−6.0 to 7.2) | 1.00 (1.00–1.00) | 2.6 (−6.1 to 11.3) | 1.00 (0.99–1.00) | 43.6 (−91.7 to 178.9) | 0.65 (0.12 to 0.90) |
| Myocardial pre-contrast T1, ms | −1.8 (−14.7 to 11.1) | 0.99 (0.96–1.00) | −5.7 (−14.9 to 3.5) | 0.99 (0.75–1.00) | 16.1 (−25.9 to 58.1) | 0.72 (0.16 to 0.93) |
| Blood-pool post-contrast T1, ms | 0.4 (−1.7 to 2.5) | 1.00 (1.00–1.00) | −0.3 (−2.2 to 1.6) | 1.00 (1.00–1.00) | 14.0 (−99.0 to 127.0) | 0.58 (−0.02 to 0.88) |
| Myocardial post-contrast T1, ms | 1.4 (−6.7 to 9.5) | 1.00 (0.99–1.00) | 4.5 (−0.7 to 15.5) | 1.00 (0.98–1.00) | 17.8 (−76.9 to 112.5) | 0.56 (−0.01 to 0.87) |
| Partition coefficient | −0.003 (−0.012 to 0.007) | 0.99 (0.96–1.00) | −0.011 (−0.03 to 0.01) | 0.94 (0.31–0.99) | −0.003 (−0.02 to 0.02) | 0.93 (0.76 to 0.98) |
| ECV, % | −0.05 (−0.34 to 0.24) | 1.00 (1.00–1.00) | −0.54 (−1.47 to 0.39) | 0.97 (0.60–0.99) | 0.09 (−1.16 to 1.34) | 0.96 (0.85 to 0.99) |
| T1 measure . | Intra-observer . | Inter-observer . | Scan–rescan . | |||
|---|---|---|---|---|---|---|
| . | Mean difference . | ICC . | Mean difference . | ICC . | Mean difference . | ICC . |
| Blood-pool pre-contrast T1, ms | 0.6 (−6.0 to 7.2) | 1.00 (1.00–1.00) | 2.6 (−6.1 to 11.3) | 1.00 (0.99–1.00) | 43.6 (−91.7 to 178.9) | 0.65 (0.12 to 0.90) |
| Myocardial pre-contrast T1, ms | −1.8 (−14.7 to 11.1) | 0.99 (0.96–1.00) | −5.7 (−14.9 to 3.5) | 0.99 (0.75–1.00) | 16.1 (−25.9 to 58.1) | 0.72 (0.16 to 0.93) |
| Blood-pool post-contrast T1, ms | 0.4 (−1.7 to 2.5) | 1.00 (1.00–1.00) | −0.3 (−2.2 to 1.6) | 1.00 (1.00–1.00) | 14.0 (−99.0 to 127.0) | 0.58 (−0.02 to 0.88) |
| Myocardial post-contrast T1, ms | 1.4 (−6.7 to 9.5) | 1.00 (0.99–1.00) | 4.5 (−0.7 to 15.5) | 1.00 (0.98–1.00) | 17.8 (−76.9 to 112.5) | 0.56 (−0.01 to 0.87) |
| Partition coefficient | −0.003 (−0.012 to 0.007) | 0.99 (0.96–1.00) | −0.011 (−0.03 to 0.01) | 0.94 (0.31–0.99) | −0.003 (−0.02 to 0.02) | 0.93 (0.76 to 0.98) |
| ECV, % | −0.05 (−0.34 to 0.24) | 1.00 (1.00–1.00) | −0.54 (−1.47 to 0.39) | 0.97 (0.60–0.99) | 0.09 (−1.16 to 1.34) | 0.96 (0.85 to 0.99) |
ECV, extracellular volume fraction.
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