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Table 5 Intra-class correlation coefficient of fat fraction, morphological and texture features of LPM

From: Evaluation of lateral pterygoid muscle in patients with temporomandibular joint anterior disk displacement using T1-weighted Dixon sequence: a retrospective study

Variable

Inter-observer agreement

Intra-observer agreement

Fat fraction (%)

0.83 (0.57–0.91)

0.91 (0.84–0.95)

Morphological features

 Length (cm)

0.90 (0.84–0.93)

0.86 (0.79–0.91)

 Width (cm)

0.80 (0.71–0.86)

0.81 (0.73-.087)

 Thickness (cm)

0.89 (0.85–0.93)

0.92 (0.88–0.94)

 Texture features

  

 ASM

0.87 (0.80–0.91)

0.85 (0.79–0.90)

 CON

0.96 (0.94–0.97)

0.97 (0.95–0.98)

 COR

0.86 (0.80–0.90)

0.86 (0.81–0.91)

 IDM

0.95 (0.89–0.97)

0.94 (0.91–0.96)

 ENT

0.87 (0.77–0.92)

0.88 (0.82–0.92)

  1. Note. Data are intraclass correlation coefficient, and 95% confidence intervals are shown in parentheses. LPM, Lateral pterygoid muscle, ASM, Angular second moment, CON, Contrast, COR, Correlation, IDM, Inverse different moment, ENT, Entropy