Study | Country Study period |
Population source | Exposure definition | Non-exposure definition | Sample size | Rmk |
---|
Study | Country Study period |
Case | Control | Sample size | Rmk |
---|---|---|---|---|---|
Bonnot, 2003 |
France 1976 - 1997 |
Infants with the studied congenital malformation. | Infants with a malformations other than this one studied. | -9 / -9 | Total number of infants with a congenital malformation is 13703, but the number of cases changes according to the studied malformations. Raw data not sufficient to calculate OR (data for 'control' groups not available). |