Table 5 Factorial stratification analysis and confounder-controlling stratification analysis
From: Advanced stratification analyses in molecular association meta-analysis: methodology and application
A. | |||
Exposure | Stratum 1 | Stratum 2 | ICR and ORint |
– | Reference | OR2− | \( {\displaystyle \begin{array}{c} ICR={OR}_{2+}-{OR}_{1+}-{OR}_{2-}+1\\ {}{OR}_{int}={OR}_{2+}/\left({OR}_{1+}\times {OR}_{2-}\right)\end{array}} \) |
+ | OR1+ | OR2+ | |
B. | |||
Exposure | Stratum 1 | Stratum 2 | Combined OR |
– | Reference1 | Reference2 | \( {OR}_{IV}=\frac{W_{IV1}{OR}_1+{W}_{IV2}{OR}_2}{W_{IV1}+{W}_{IV2}} \) |
+ | OR1 | OR2 | |