|The network Q statistics and the degrees of freedom of their corresponding chi-squared distribution|
|Null hypothesis||Q statistic||Degrees of freedom|
|Homogeneity in the whole network||Qnet|
|Homogeneity within designs||Qhet|
|Homogeneity within design d|
|Consistency between designs||Qinc|
|Consistency between designs after|
|detaching the effect of design d|
In a network with T+1 treatments and a set of studies , d=1,…,D designs are observed. The set of studies with design d is given by . The numbers of treatments in study s and in design d are given by Ns and Nd respectively.
Krahn et al.
Krahn et al. BMC Medical Research Methodology 2013 13:35 doi:10.1186/1471-2288-13-35