Ostensen H, Gudmundsen T E, Burhol P G, Bonnevie O
Scand J Gastroenterol. 1985 Dec;20(10):1281-4. doi: 10.3109/00365528509089290.
The possible seasonal periodicity of the occurrence of X-ray-negative dyspepsia (RND), first-time-diagnosed gastric ulcer (GU), and first-time-diagnosed duodenal ulcer (DU) was studied in a 3-year period from 1980 to 1983. Of the 1936 patients studied, 1749 had RND, 100 had GU, and 87 had DU. One or more of the three types of dyspeptic disease were more frequently seen in the period from September through January and less frequently in the period from April through August. In conclusion, the present study suggests true seasonal periodicity in the occurrence of peptic ulcer disease, at least in a population living in the northern part of Norway.
1980年至1983年的3年期间，对X线阴性消化不良（RND）、初诊胃溃疡（GU）和初诊十二指肠溃疡（DU）发生的可能季节性周期进行了研究。在1936例研究对象中，1749例有RND，100例有GU，87例有DU。这三种消化不良疾病中的一种或多种在9月至次年1月期间更为常见，而在4月至8月期间则较少见。总之，本研究表明消化性溃疡疾病的发生存在真正的季节性周期，至少在挪威北部居住的人群中如此。
