From the parmacoepi point of view, the best risk estimator is the relative risk (RR, event rate in exposed/event rate in non-exposed). This cannot be measured in case-controls studies, because the cases and the controls are independent, and the overall event rates are fixed by the cas/control ratio.
Bay of Campeche. Bay of Campeche, also called Gulf of Campeche, Spanish BahÃ­a de Campeche, bay of the Gulf of Mexico, southern Mexico. It is bounded by the YucatÃ¡n Peninsula to the east, by the Isthmus of Tehuantepec to the south, and by southern Veracruz to the west.
Barataria Bay [lower right] is a bay of the Gulf of Mexico that is located between Empire and Grand Isle, Louisiana [enlarge]. Barataria Bay, also Barrataria Bay, is a bay of the Gulf of Mexico, about 15 miles (24 km) long and 12 miles (19 km) wide, in southeastern Louisiana, in Jefferson Parish and Plaquemines Parish, United States. It is separated from the gulf by two barrier islands, Grand Isle and Grand Terre.