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Table 4 Difference in GOHAI score for objectively assessed oral conditions

From: Oral health-related quality of life and related factors among residents in a disaster area of the Great East Japan Earthquake and giant tsunami

  No. of subjects Mean ± SD p-value
Number of present teeth   
 Edentulous 352 52.9 ± 8.0 < 0.01
 1–19 658 50.2 ± 9.1  
 20 or more 977 52.9 ± 7.6  
Having one or more decayed teeth   
 No 1,259 52.7 ± 7.8 < 0.01
 Yes 728 50.9 ± 9.0  
CPI code   
 No index teeth 447 52.4 ± 8.2 0.01
 0–2 818 52.4 ± 7.9  
 3 517 51.7 ± 8.5  
 4 205 50.3 ± 8.3  
Tooth-mobility grade   
 No index teeth 447 52.4 ± 8.2 < 0.01
 0–1 1,374 52.2 ± 8.3  
 2 or 3 167 49.3 ± 8.6