This study | Cylinder | 6.8 L | Siemens | Manufacturer | 1.2% |
Beauregard et al. (30) | Cylinder | 175 mL–2.5 L | Siemens | In-house | ∼5.6% |
D’Arienzo et al. (5) | Cylinder | 4.2 L | Philips | Manufacturer | 3.7% and −11.6% (2 systems) |
de Nijs et al. (31) | Sphere | 26.5 mL | Philips | Manufacturer | ∼6.6% |
Mezzenga et al. (32) | Cylinder | 6.4 L | GE Healthcare | Manufacturer | ∼16.4% |
Sanders et al. (16) | Spheres | 0.5–16.0 mL | Siemens | Manufacturer | ∼20% (very small volumes) |
Shcherbinin et al. (33) | Cylinder | 70 mL | GE Healthcare | In-house | 2% |
Uribe et al. (6) | Spheres and bottles | 113–199 mL | Siemens | In-house | <5% (objects > 100 mL) |