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Table 1 Demographic data and risk factors for caries in the study subjects (n = 380)

From: The relationship between vitamin D receptor gene polymorphism and deciduous tooth decay in Chinese children

  Caries experience Caries-free P value
  (n = 249) (n = 131)  
Gender
 Female 131 (52.6%) 72 (55.0%) 0.067
 Male 118 (47.4%) 59 (45.0%)  
 Mean Age 5.72 ± 0.58 5.85 ± 0.62 0.045
S. mutans
 0! 95 (38.2%) 89 (67.9%)  
 1! 62 (24.9%) 25 (19.1%) <0.001
 2! 48 (19.3%) 11 (8.4%)  
 3! 44 (17.7%) 6 (4.6%)  
  1. X2 test, p < 0.05 indicates statistical significance