Study | Country Study period |
Population source | Exposure definition | Non-exposure definition | Sample size | Rmk |
---|---|---|---|---|---|---|
Noh, 2022 |
South Korea 2011 - 2018 |
All pregnancies in women aged 20 to 45 years at delivery resulting in live births from 1 January 2011 to 31 December 2018, in South Korea. | Pregnant women who filled at least Etizolam prescription during the first trimester (first 90 days of pregnancy). |
unexposed, sick
Pregnant women who were not prescribed any benzodiazepine from 3 months before the last menstrual period to the end of the first trimester (with similar psychiatric conditions after propensity score). |
3665 / 3053381 | Propensity scored adjusted for indications and led to an unexposed cohort with similar psychiatric conditions => considered as unexposed, sick control groups. |
Yamane, 2011 |
Japan Not specified. |
Pregnant women who visited the Counseling Clinic for Pregnancy and Medicine of Toranomon Hospital. | Pregnant women who used Etizolam in the early stage of pregnancy. |
unexposed (general population or NOS)
Pregnant women who used acetaminophen without teratogenic effects. |
224 / -9 | Number of pregnant women in the control group not provided in the Abstract. |
Study | Country Study period |
Case | Control | Sample size | Rmk |
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