Biopsy-confirmed celiac disease was confirmed in 117 patients.Serum was sent to four commercial laboratories for analysis, and the results from those labs were compared.

• 其中，117位患者经切片证实为腹腔病变，他们的血清皆经过四所商业实验室的分析，各实验室的分析结果皆拿来作比较。