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Table 2 The intraobserver and interobserver variability of segmentation methods (Intraclass Correlation Coefficient, ICC) and comparison of three different segmentation methods for FV calculation of orbital phantom data

From: An accurate interactive segmentation and volume calculation of orbital soft tissue for orbital reconstruction after enucleation

Sector

Right Orbit

Left Orbit

ICC

P Value

ICC

P Value

Intraobserver

 OA Graph cut

0.997

< 0.01

0.999

< 0.01

 OB Graph cut

0.999

< 0.01

0.998

< 0.01

Interobserver

 Graph cut (OA1-OB1)

0.996

< 0.01

0.998

< 0.01

 Graph cut (OA1-OB2)

0.999

< 0.01

0.999

< 0.01

 Manual

0.999

< 0.01

0.999

< 0.01

 Mimics

0.879

< 0.05

0.993

< 0.01

3 Methods

 Manual - Graph cut

0.995

< 0.01

0.999

< 0.01

 Mimics - Graph cut

0.876

< 0.05

0.988

< 0.01

 Manual - Mimics

0.828

< 0.05

0.989

< 0.01

  1. ICC outcome values: 0, no agreement; 1, complete agreement
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BMC Ophthalmology

ISSN: 1471-2415

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