From: Connecting a disconnected trial network with a new trial: optimizing the estimation of a comparative effect in a network meta-analysis
COI
Var(\(\hat{u}_{c_1,c_2}\))
N-E
0.01716344
N-EQ
0.1293884 = 0.01716344 + 0.112225
A-EQ
0.1511429 = 0.02175445 + 0.01716344 + 0.112225