Figure 3From: A dental myth bites the dust – no observable relation between the incidence of dental abscess and the weather and lunar phase: an ecological studyRelationship between the OA incidence and biosynoptic weather class. Weather was classified on a scale from 1 to 5 (class 1, anticyclonic; class 2, warm air advection; class 3, cyclonic maximum; class 4, cold air advection; and class 5, indifferent). There was no statistically significant correlation observed (p > 0.05).Back to article page