Table 2.

The table displays the measured Mean and St.Dev. accumulated count values within the applied 50 mm diameter VOI, and the calculated image uniformity

Collimator and Detector Configuration	50 mm diameter VOI Mean [counts]	50 mm diameter VOI St.Dev. [counts]	Image uniformity (%) ${100\times \left(\frac{St.Dev.}{\mathit{Mean}}\right)}^2$
LEHR 90°	37.55	2.03	0.292
MPH-CARDIAC 75°	287.16	13.29	0.214