Weather and air pollution as triggers of severe headaches

Abstract Background: The roles of weather conditions and air pollution as triggers of headache have been inconsistent in previous, generally small studies. Methods: We performed a case-crossover study of 7,054 patients seen in a single emergency department between May 2000 and December 2007 with a primary discharge diagnosis of headache. We compared levels of temperature, barometric pressure, humi

[saranu]

高い外気温、低気圧は救急室を必要とする頭痛を一過性に増加する 統計手法：片頭痛と非片頭痛の患者を対象に２４時間前の気温や気圧の４分位範囲での増加が救急室利用に影響を与えるかをオッズ比で