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Table 1 Distribution of the DHC grades in the sample of evaluated students

From: Normative and self-perceived orthodontic treatment need of a Peruvian university population

DHC grades n Individual percentage Overall percentage
Grade 5 (Definite need)    9.3
   5a 9 3.2  
   5h 5 1.8  
   5i 8 2.8  
   5p 2 0.7  
   5s 2 0.7  
Grade 4 (Need)    20.6
   4a 8 2.8  
   4d 33 11.7  
   4f 2 0.7  
   4h 13 4.6  
   4l 2 0.7  
Grade 3 (Borderline need)    34.9
   3a 18 6.4  
   3d 77 27.4  
   3e 1 0.4  
   3f 2 0.7  
Grade 2 (Slight need)    27.4
   2b 1 0.4  
   2c 13 4.6  
   2d 51 18.1  
   2f 2 0.7  
   2g 10 3.6  
Grade 1 (No need)    7.8
   1 22 7.8  
Total 281 100.0 100.0