Dose rate (MU/min)

5

15

40

100

300

600

Contrast

0.231

0.245

0.251

0.253

0.255

0.256

CNR

67.1

77.8

87.7

80.4

87.0

84.3

(pixel)

0.048

0.025

0.019

0.020

0.018

0.026

(mm)

0.012

0.007

0.005

0.005

0.005

0.007

(pixel)

0.051

0.038

0.017

0.024

0.021

0.016

(mm)

0.013

0.010

0.004

0.006

0.005

0.004