Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Baseline study characteristics.
| Final Cohort = 84 Patients | ||
|---|---|---|
| Age, years | 80 (75–84) | |
| Sex, female | 48/84 (57.1%) | |
| CT acquisitions | Non-contrast (TNC) | CTA |
| CTDIvol (mGy) | 1.4 (1.1–2.1) | 26.6 (19.9–36.7) |
| DLP (mGy∙cm) | 29.4 (22.3–41.9) | 442.0 (329.0–583.0) |
| SSDE (mGy) | 1.9 (1.6–2.4) | 35.7 (28.8–47.1) |
Data are presented as median value (with interquartile range) or percentage. CT computed tomography, SSDE size-specific dose estimate, DLP dose length product, CTDIvol volumetric CT dose index.
