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. 2012 Nov 16;12:989. doi: 10.1186/1471-2458-12-989

Table 2.

Components of DMFT index (Decayed, Missing and Filled teeth) at baseline and after 5 years

Variables   Baseline After 5 years P value
Number of teeth
 
 
 
<0.001*
 
n
11866
44749
 
 
Mean
6.49
24.49
 
 
SD
3.499
3.998
 
Decayed teeth
 
 
 
<0.001*
 
n
103
238
 
 
Mean
0.06
0.13
 
 
SD
0.290
0.459
 
Filled Teeth
 
 
 
<0.001*
 
n
7
772
 
 
Mean
0.00
0.42
 
 
SD
0.091
0.896
 
Missing Teeth
 
 
 
<0.001*
 
n
0
26
 
 
Mean
.00
0.01
 
 
SD
.000
0.132
 
DMFT
 
 
 
<0.001*
 
n
112
1036
 
 
Mean
0.06
0.57
 
  SD 0.306 1.109  

*Wilcoxon signed ranks test.

Two tailed statistical significance at the 5% level.