Association between Single Nucleotide Polymorphisms in Vitamin D Receptor Gene Polymorphisms and Permanent Tooth Caries Susceptibility to Permanent Tooth Caries in Chinese Adolescent
Table 2
Demographic characteristics of the study subjects.
Cases
Controls
value
()
()
Mean age
Gender (%)
0.640
0.424
Female
98 (49)
106 (53)
Male
102 (51)
94 (47)
BOP (+)
28 (14.0)
23 (11.5)
0.562
0.454
VM-value (+)
41 (20.5)
36 (18.0)
0.402
0.526
Brushing time
<3 min
171 (85.5)
165 (82.5)
0.700
0.413
≥3 min
29 (14.5)
35 (17.5)
Brushing frequency
<2 times a day
95 (47.5)
91 (45.5)
0.161
0.688
≥2 times a day
105 (52.5)
109 (54.5)
Note. BOP: bleeding on probing; VM-value: Volpe Manhold Index scores.