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Table 2 Reliability of each item

From: Reliability of the Hazelbaker Assessment Tool for Lingual Frenulum Function

Item Kappa P value
Appearance items   
Appearance of tongue when lifted 0.54 <0.01
Elasticity of frenulum 0.53 <0.01
Length of lingual frenulum when tongue lifted 0.51 <0.01
Attachment of lingual frenulum to tongue 0.39 <0.01
Attachment of lingual frenulum to inferior alveolar ridge 0.62 <0.01
Function items   
Lateralization 0.71 <0.01
Lift of tongue 0.67 <0.01
Extension of tongue 0.65 <0.01
Spread of anterior tongue -0.02 0.74
Cupping 0.01 0.44
Peristalsis 0.05 0.07
Snapback 0.03 0.38
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