Table 1 Standard-Dose and Low-Dose CT Protocols
From: Association between thoracic density and area with COVID-19 outcomes
Vendor | Activion 16, Canon | Somatom 16, Siemens | ||
|---|---|---|---|---|
Protocol | Low-dose | Standard-dose | Low-dose | Standard-dose |
Scan type | Helical | Helical | Spiral | Spiral |
Rotation time, s | 0.75 | 0.75 | 0.6 | 0.6 |
Detector configuration, mm | 16 × 1.0 | 16 × 1.0 | 16 × 1.2 | 16 × 1.2 |
Pitch | Fast (1.438) | Standard (0.938) | 1.5 | 1 |
kV | 120 | 120 | 110 | 130 |
mA/reference mA | 30 | 80–500 | 20 | 110 |
Sure exposure/CARE dose | ON | ON | ON | ON |