Cohort 1, N = 49 (Time interval of 2 CT scans: < 2 weeks) | Cohort 2, N = 34 (Time interval of 2 CT scans: < 2 weeks) | |||||
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 | Tube voltage: 120 KPV | Tube voltage: 120 KPV | Tube voltage: 120 KPV | Tube voltage: 100 KPV | ||
Reference: Cardiac NCCT | Chest NCCT-1.25Â mm | Chest NCCT-5Â mm | Cardiac NCCT | Chest NCCT-1.25Â mm | Chest NCCT-5Â mm | |
EAT volume (cm3) | 133.7 ± 40.2 | 133.5 ± 41.3 | 123.2 ± 39.6 | 129.6 ± 50.6 | 147.0 ± 56.6 | 137.2 ± 53.9 |
∆Volume, cm3 (%) (vs. Reference) | N/A | − 0.9 (− 3.1, 2.6); − 0.6 (− 2.3, 2.6)% | − 9.6 (− 12.5, − 7.4); − 7.5 (− 9.0, − 6.2)% | N/A | 16.9 (11.1, 20.5); 13.2 (10.5, 17.0)% | 6.9 (3.8, 10.0); 5.8 (2.9, 8.8)% |
p-value 1 (vs. Reference) | N/A | 0.74 | < 0.001 | N/A | < 0.001 | < 0.001 |
EAT radiodensity (HU) | − 78.1 ± 6.3 | − 79.4 ± 7.6 | − 74.5 ± 6.7 | − 78.0 ± 4.7 | − 83.9 ± 6.1 | − 79.5 ± 5.5 |
p -value 2 (vs. Reference) | N/A | 0.10 | < 0.001 | N/A | < 0.001 | 0.021 |
Cohort 3, N = 32 | ||||||
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 | Reference: Chest NCCT-1.25 mm | Chest CECT- 1.25 mm-arterial | Chest CECT-1.25 mm-venous | Reference: Chest NCCT-5 mm- | Chest CECT- 5 mm- arterial | Chest CECT- 5 mm- venous |
EAT volume (cm3) | 117.8 ± 57.7 | 87.9 ± 50.1 | 98.8 ± 54.1 | 108.6 ± 55.2 | 81.1 ± 47.6 | 90.6 ± 52.1 |
∆Volume, cm3 (%) (vs. Reference) | N/A | − 29.9 ± 10.6 (− 28.1 ± 9.5%) | − 19.0 ± 9.1 (− 17.9 ± 8.4%) | N/A | − 27.5 ± 10.7 (− 27.8 ± 8.6%) | − 18.0 ± 7.0 (− 19.4 ± 8.3%) |
p-value 1 (vs. Reference) | N/A | < 0.001 | < 0.001 |  | < 0.001 | < 0.001 |
EAT radiodensity(HU) | − 76.7 ± 7.3 | − 75.9 ± 6.6 | − 74.9 ± 5.4 | − 74.0 ± 6.3 | − 71.7 ± 6.0 | − 72.6 ± 5.7 |
p-value 2 (vs. Reference) | N/A | 0.033 | 0.028 | N/A | < 0.001 | < 0.001 |