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消化不良(dyspepsia)和功能性消化不良(func-tional dyspepsia,FD)是临床上常见的病症。我国的流行病学调查显示:普通人群中有消化不良症状者达18.9%,患病率随年龄增长有升高趋势[1]。流行病学研究中所采用的定义指标直接影响到消化不良的患病率。国外根据研究资料推算消化不良
Dyspepsia and func- tional dyspepsia (FD) are clinically common disorders. Epidemiological survey of our country shows that: the general population has dyspeptic symptoms up to 18.9%, the prevalence increases with age tends to rise [1]. The definition of indicators used in epidemiological studies directly affects the prevalence of indigestion. According to foreign research data estimated indigestion