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.
Mean targeting errors (with standard deviation) divided by prostate zone and region
| Base | Mid | Apex | |
| Targeting error | 8.3mm (5.9mm) | 7.7mm (4.3mm) | 5.0mm (2.8mm) |
| Central | Peripheral | Transitional | |
| Targeting error | 5.9mm (3.2mm) | 7.5mm (4.4mm) | 9.9mm (6.4mm) |
