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Table 7 Mean standard deviation for imaging sites

From: Variability in prostate and seminal vesicle delineations defined on magnetic resonance images, a multi-observer, -center and -sequence study

Imaging center Anterior Posterior RightPost Right LeftPost Left Superior Inferior Volume
(IC) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (Cm3)
A 1.6 0.9 1.8 1.8 1.7 1.5 1.9 2.3 6.6
B 3.3 0.9 1.6 1.5 1.5 1.2 2.7 2.5 7.7
C 1.8 0.9 1.3 1.5 1.6 1.2 2.0 2.3 6.7
D 2.4 2.5 2.7 1.4 2.7 1.6 2.0 2.9 10.8
E 1.4 1.4 2.2 2.0 2.4 2.0 1.7 2.3 6.4
Home 1.7 0.9 1.4 1.3 1.6 1.4 1.8 2.5 6.1
Foreign 2.3 1.6 2.1 1.7 2.1 1.6 2.1 2.5 8.1
  1. Bold figures mean statistically significant larger and italic significantly smaller variation compared to other imaging centers (bonferroni correction p < 0.01) F-test. The two last rows compares the average standard deviation for delineations performed on images from physicians home center compared to images from a foreign center.