Effects of Smoking Cessation on Medical Costs for Gastric and Duodenal Ulcer or Inflammation according to Seropositivity for Helicobacter pylori

这项研究的目的是根据幽门螺杆菌的血清阳性来调查吸烟对胃和十二指肠溃疡或炎症的门诊费用的影响。将2313名男性上班族按幽门螺杆菌抗体(HPAB)阳性和吸烟习惯分为6组，利用医保数据库对2004年4月至2007年3月6组的就诊次数和医疗费用进行比较，发现HPAB阳性吸烟者就诊次数和医疗费用均低于HPAB阳性吸烟者，但前者就诊次数与吸烟者就诊次数基本相同。HPAB阴性的既往吸烟者就诊次数和医疗费用均高于HPAB阴性吸烟者。HPAB阳性和阴性的戒烟者比HPAB阳性和阴性的非吸烟者的就诊次数和医疗费用要高得多，这一结果表明戒烟后戒烟者的医疗费用要降低到非吸烟者的水平还有很长的时间。

The purpose of this study was to investigate the effects of smoking cassation on outpatient costs for gastric and duodenal ulcer or inflammation according to seropositivity for Helicobacter pylori. Subjects were 2, 313 male office workers, who were classified into 6 groups according to positivity of Helicobacter pylori antibody (HPAB) and smoking habits.We compared number of doctor's visits and medical costs among the 6 groups using the health-insurance database from 2004, April to 2007, March.Ex-smokers with HPAB positive had less medical costs than smokers with HPAB positive, but the former was almost same in doctor's visits as the latter. Ex-smokers with HPAB negative had more doctor's visits and medical costs than smokers with HPAB negative. Ex-smokers with HPAB positive and negative had extraordinary more doctor's visits and medical costs than non-smokers with HPAB positive and negative respectively.This result suggested that ex-smokers have a long time to decrease to the level of medical costs of non-smokers after smoking cessation.