Table 2 

Results of our metaanalysis with the real sample data as one subgroup, and our estimates of the sample as the second subgroup. 

Actual Sample 
Our Estimate 



WMD [95% CI] 
% Weight 
WMD [95% CI] 
% Weight 



Pooled WMD 
0.37 [37.17, 36.44] 
42.00 
0.41 [30.92, 31.73] 
58.00 
Overall pooled WMD 
0.08 
100.00 

Heterogeneity statistic 
degrees of freedom 
P 
Isquared 

Sample 
0.04 
9 
1.000 
0.0% 
Estimate 
0.04 
9 
1.000 
0.0% 
Overall 
0.08 
19 
1.000 
0.0% 
Overall Test for heterogeneity between subgroups 

0.00 
1 
0.975 

Significance test(s) of WMD = 0 
Sample 
z = 0.02 
p = 0.984 

Estimate 
z = 0.03 
p = 0.980 

Overall 
z = 0.01 
p = 0.995 



^{1}Isquared: the variation in WMD attributable to heterogeneity 

Hozo et al. BMC Medical Research Methodology 2005 5:13 doi:10.1186/14712288513 