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. 2018 Oct 1;11(5):359–364. doi: 10.5005/jp-journals-10005-1540

Table 4: Prevalence of dental caries according to socioeconomic (S-E) status

          Children free of caries      Children with caries      dmft      DMFT     
S-E status      No. of children examined      N      %      N      %      Mean      SD      Mean      SD     
Low      503      192      38.2      311      61.8      2.13      2.27      1.24      1.34     
High      497      253      50.9      244      49.1      1.42      1.89      0.80      1.22     

SD: Standard deviation; Caries prevalence: Chi-square test = 16.415, p = 0.000; dmft: t-test = 5.301, p = 0.000; DMFT: t-test = 5.418, p = 0.000