Table 3 

Summary of the 6 metaanalyses 

Comparison 
Summary effect 
95% CI 
pvalue for heterogeneity test 
Model used 


Continuous data (difference in mean OHIP total scores) Total n = 12,965 Reference group: 2532 teeth 

18 teeth 
3.37 
1.375.38 
<0.001 
random effect 
916 teeth 
3.08 
1.374.80 
<0.001 
random effect 
1720 teeth 
1.89 
0.033.82 
<0.001 
random effect 
2124 teeth 
1.05 
0.072.02 
<0.001 
random effect 


Dichotomized data (Odds ratio for having an OHIP impact) Total n = 6821 Reference group: complete dentition or ≥ 25 teeth 

Incomplete or < 25 teeth 
3.45 
2.934.05 
0.975 
fixed effect 


Dichotomized data (Odds ratio for having an OIDP impact) Total n = 2204 Reference group ≥ 21 teeth 

≤ 10 teeth 
2.01 
1.432.83 
0.962 
fixed effect 
>10 and <21 teeth 
1.63 
1.232.17 
0.794 
fixed effect 


Dichotomized data (Odds ratio for having an OIDP impact) Total n = 1184 Reference groups 916 NOPs/48 POPs/no UAS 

08 NOPs 
1.99 
1.392.86 
0.279 
fixed effect 
03 POPs 
1.66 
1.162.37 
0.808 
fixed effect 
UAS 
1.82 
0.684.87 
0.025 
random effect 


Continuous data (difference in mean GOHAI total scores) Total n = 435 Reference group: 2032 teeth 

019 teeth 
9.78 
7.3812.18 
0.157 
fixed effect 


Continuous data (difference in mean OHQoLUK total scores) Total n = 2738 Reference group: 2032 teeth 

019 teeth 
4.56 
3.675.44 
0.912 
fixed effect 


Gerritsen et al. Health and Quality of Life Outcomes 2010 8:126 doi:10.1186/147775258126 