Table 2 Contrast-to-noise ratios for all evaluated parameters
Evaluated parameters | Median blood-artifact CNR (IQR) | p-value w.r.t baseline sequence | Median agar-artifact CNR (IQR) | p-value w.r.t baseline sequence |
|---|---|---|---|---|
GRE | ||||
Baseline sequence (a) | 141.2 (129.4–150.0) | 15.8 (11.2–19.9) | ||
Conc. 12.5 mg/mL | 148.2 (133.1–155.3) | < 0.001 | 20.7 (16.6–23.6) | < 0.001 |
Conc. 25 mg/mL | 148.5 (139.0–161.2) | < 0.001 | 25.7 (23.4–27.4) | < 0.001 |
Conc. 50 mg/mL | 155.8 (141.3–162.1) | < 0.001 | 28.5 (27.4–29.7) | < 0.001 |
Sequence b | 166.6 (156.8–175.3) | < 0.001 | 14.6 (3.6–20.1) | 0.276 |
Sequence c | 240.5 (224.4–248.5) | < 0.001 | 12.9 (7.2–25.4) | 0.840 |
Sequence d | 360.3 (349.9–366.2) | < 0.001 | 32.7 (27.9–38.0) | < 0.001 |
ST: 10 mm | 133.8 (126.8–145.9) | 0.042 | 10.5 (4.6–15.8) | 0.014 |
PED: parallel | 125.1 (116.9–137.6) | < 0.001 | 10.2 (4.7–57.5) | 0.026 |
bSSFP | ||||
Baseline sequence (e) | 399.5 (389.5–406.3) | 2.4 (-0.7–5.2) | ||
Conc. 12.5 mg/mL | 387.3 (380.6–395.4) | 0.003 | 37.6 (36.7–43.5) | < 0.001 |
Conc. 25 mg/mL | 397.1 (393.4–402.6) | 0.500 | 57.3 (54.2–62.1) | < 0.001 |
Conc. 50 mg/mL | 478.9 (466.1–483.4) | < 0.001 | 53.3 (51.0–59.4) | < 0.001 |
Sequence f | 572.6 (556.0–584.7) | < 0.001 | 17.1 (14.9–23.3) | < 0.001 |
Sequence g | 766.2 (704.6–823.5) | < 0.001 | 59.6 (55.8–65.1) | < 0.001 |
Sequence h | NA. | NA | NA | NA |
ST 10 mm | 414.2 (402.5–423.6) | < 0.001 | 1.8 (-1.5–8.5) | 0.443 |
PED parallel | 264.0 (252.9–272.2) | < 0.001 | 2.3 (0.6–6.0) | 0.800 |