Physics Bucharest 2017

Parameters to describe SYSTEMATIC and RANDOM errors in the patient population:



1x

cran

Random error:



4x

2

σ





x,i

σ



i

1 y

x

N



4 y

2

σ



y,i

σ



i

y

N

Systematic error:  x : SD(m i,x )  y : SD(m i,y )

right

left



y



2 y



Mean error: M x :

x



2x

>  0 >  0

M y

:

caud