Table 2 Comparison of acute MI size and edema-based AAR quantification by the different techniques
Reference/ % LV | Other Techniques/ % LV | P value | R2 | ICC (95% CI) | Bias ± 2SD/ % LV |
|---|---|---|---|---|---|
Acute MI size | |||||
MIConv 25.1 ± 14.3 | MISynthMagIR 24.9 ± 13.8 | 0.35 | 0.99 | 0.996 (0.992–0.998) | 0.2 ± 2.2 (−2.0–2.4) |
MISynthPSIR 24.7 ± 13.9 | 0.060 | 0.99 | 0.996 (0.992–0.998) | 0.4 ± 2.2 (−1.8–2.6) | |
MIT1Post2SD 24.9 ± 13.8 | 0.10 | 0.99 | 0.996 (0.991–0.998) | 0.3 ± 1.8 (−1.5–2.1) | |
MIT1PostOtsu 23.0 ± 12.9 | 0.001* | 0.96 | 0.964 (0.859–0.987) | 2.2 ± 6.0 (−3.8–8.2) | |
T2-mapping | |||||
AART2Man 41.5 ± 12.1 | AART2Otsu 41.7 ± 12.2 | 0.38 | 0.99 | 0.983 (0.964–0.992) | 0.2 ± 2.1 (−1.9–2.3) |
AART22SD 42.2 ± 12.1 | 0.011* | 0.99 | 0.993 (0.980–0.997) | 1.0 ± 2.6 (−1.6–3.6) | |
T1-mapping | |||||
AART1Man 41.0 ± 12.0 | AART1Otsu 41.6 ± 11.9 | 0.17 | 0.99 | 0.995 (0.990–0.998) | −0.6 ± 4.2 (−4.2–3.6) |
AART12SD 42.1 ± 12.2 | 0.005* | 0.96 | 0.983 (0.949–0.993) | −1.0 ± 3.9 (−4.9–2.9) | |
T2-mapping versus T1-mapping | |||||
AART2Man 41.5 ± 12.1 | AART1Man 41.0 ± 12.0 | 0.11 | 0.99 | 0.989 (0.977–0.995) | 0.5 ± 3.4 (−2.9–3.9) |
AART2Otsu 41.7 ± 12.2 | AART1Otsu 41.6 ± 11.9 | 0.72 | 0.97 | 0.986 (0.969–0.993) | −0.1 ± 4.2 (−4.3–4.1) |
AART22SD 42.2 ± 12.1 | AART12SD 42.1 ± 12.2 | 0.86 | 0.97 | 0.985 (0.967–0.993) | 0.1 ± 4.3 (−4.2–4.4) |