Quantification of the Masseter Muscle Hardness of Stroke Patients Using the MyotonPRO Apparatus: Intra- and Inter-Rater Reliability and Its Correlation with Masticatory Performance

30 January 2021 : Clinical Research

Chao Song^1ACFG, Yi-Fu Yu^1BCDE, Wen-Long Ding^1BCD, Jian-Yong Yu^2BDF, Li Song^1BCF, Ya-Nan Feng^3CEF, Zhi-Jie Zhang^3AFG*

DOI: 10.12659/MSM.928109

Med Sci Monit 2021; 27:e928109

Background Material and Methods Results Discussion Conclusion References

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Table 2 Spearman’s correlation coefficients (r) between the stiffness of the bilateral masseter muscle and masticatory performance.

Item	Masticatory performance of affected side		Masticatory performance of unaffected side
Item	r	P	r	P
The stiffness of masseter muscle on the affected side	−0.65	0.002	−0.62	0.004
The stiffness of the masseter muscle on the unaffected side	−0.35	0.14	−0.35	0.13

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