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.
The Yucatan Peninsula is an area in southeastern Mexico that separates the Caribbean Sea and the Gulf of Mexico.The peninsula itself is home to the Mexican nations of Yucatan, Campeche and Quintana Roo. It also covers the northern parts of Belize and Guatemala.ecause it is located in the Gulf of Mexico and the Caribbean Sea, the Yucatan Peninsula is prone to hurricanes which usually hit during the Atlantic hurricane season from June through November.