| Study | Country Study period  | 
                Population source | Exposure definition | Non-exposure definition | Sample size | Rmk | 
|---|---|---|---|---|---|---|
| Choi a, 2023 | 
                    South Korea 2011 - 2020  | 
                All pregnancies (in women aged 19-44 years) resulting in live births during the study period. | Pregnant women with one or more prescriptions for Rabeprazole during the first trimester (defined as the start of pregnancy to the 90th day of gestation). | 
                    unexposed, sick
                     Pregnant women with no filled Proton Pump Inhibitor prescriptions from 90 days before pregnancy through the end of the first trimester (with a propensity-score, made by stratification notably concerning the indications => unexposed sick).  | 
                13414 / 2655676 | In South Korea, 7 PPIs (omeprazole, esomeprazole, lansoprazole, dexlansoprazole, pantoprazole, rabeprazole, and ilaprazole) are available only with a prescription, and no over-the-counter PPIs are available. | 
| Choi b, 2023 | 
                    South Korea 2008 - 2019  | 
                All pregnancies in women < 44 years old resulting in live births during the study period. | Pregnant women that filled a prescription for Rabeprazole between the start of pregnancy and the 245th day of gestation. | 
                    unexposed, sick
                     Pregnant women without exposure to proton pump inhibitors (PPIs) from 90 days before pregnancy to the delivery date.  | 
                11934 / 2121323 | Unexposed group adjusted with propensity-score, made by stratification, notably concerning the indications => considered as unexposed sick (mathematical deformation of total population). In South Korea, PPIs only available with a prescription. | 
| Pasternak, 2010 | 
                    Denmark 1996 - 2008  | 
                A cohort of all live-born infants in Denmark for the study period. | Infants born to women who were exposed to rabeprazole (any filling of rabeprazole prescription at any time during the period from 4 weeks before conception through the end of the first trimester) (This is a subgroup of exposure among the whole exposed group considered in the study). | 
                    unexposed (general population or NOS)
                     Infants born to women not exposed to PPIs (all the women who were not exposed at any time during their pregnancy).  | 
                42 / 832031 | 
| Study | Country Study period  | 
                Case | Control | Sample size | Rmk | 
|---|