Fig. 4From: Relationship between environment factors and the number of outpatient visits at a clinic for nonallergic rhinitis in Japan, extracted from electronic medical recordsRelationships with the environmental factors in NAR patients who visited the clinic only during the autumn-winter period. The major factors affecting the number of NAR patients were the mean vapor pressure (coefficient of determination 58.4 %), mean temperature (44.4 %), and maximum 10-min precipitation (12.0 %)Back to article page