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 state of Campeche is located in southeast Mexico, on the west side of the Yucatan Peninsula. The territory is 56,858.84km2, which is 2.6% of Mexicoâs total. It borders the states of YucatÃ¡n, Quintana Roo and Tabasco, with the country of Belize to the east, Guatemala to the south and the Gulf of Mexico to the west.