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作者对73名已愈的十二指肠溃疡病人随机抽样,配给高纤维饮食或低纤维饮食,观察6个月后作内窥镜检查。试验期间,摄入纤维中位数,高纤维组增至28.2克/日(8.9～46.7;P<0.001),而低纤维组降至11.4克/日(0～17.7克/日;P<0.001)。
The authors randomized 73 patients with duodenal ulcer to high-fiber diet or low-fiber diet and observed endoscopy 6 months later. During the trial, median fiber intake increased to 28.2 g / day (8.9 to 46.7; P <0.001) in the high-fiber group and to 11.4 g / day (0 to 17.7 g / day; ).