https://www.selleckchem.com/pr....oducts/mi-2-malt1-in
Regression modelling techniques were only used with data from upper-middle or high-income countries where hospital administrative data was available. We identified variability in the methods, case definitions, and data sources used, including 91 different age groups and 11 different categories of case definitions. Due to the high observed heterogeneity across articles ( 99%), we were unable to pool published estimates. The variety of methods, data sources, and case definitions adapted locally suggests that the current l