From: Patient organ and effective dose estimation in CT: comparison of four software applications
 | CT-Expo (%) | NCICT (%) | NCICTX (%) | Virtual Dose (%) |
---|---|---|---|---|
100–120 kVp (120 kVp as reference) | ||||
 Organs inside the scan region | < 1 | 1–5 | 0–6 | 1–4 |
 Partially irradiated organs | < 1 | 3–8 | 3–9 | 0–6 |
 Organs outside the scan region | < 1 | 1–8 | 2–9 | 0–13 |
 Distributed organs | < 1 | 1–9 | 1–9 | 3–6 |
80–100 kVp (100 kVp as reference) | ||||
 Organs inside the scan region | < 1 | 1–6 | 0–11 | 0–4 |
 Partially irradiated organs | < 1 | 3–8 | 2–16 | 1–6 |
 Organs outside the scan region | < 1 | 1–17 | 2–17 | 1–14 |
 Distributed organs | < 1 | 2–17 | 2–13 | 3–6 |
120–140 kVp (120 kVp as reference) | ||||
 Organs inside the scan region | 0 | 0 | 0 | 2–8 |
 Partially irradiated organs | 0 | 0 | 0 | 6–11 |
 Organs outside the scan region | 0 | 0 | 0 | 8 |
 Distributed organs | 0 | 0 | 0 | 3–9% |