Comparison of the field and laboratory performance of the cholera dipstick test.

*using exact method.**rapid diagnostic testing was done both in the field and in the laboratory on specimens from the same stool samples.***using McNemars test.**采用精确法（exact method）**：对取自同一粪便样本的标本，分别在现场及实验室开展快速诊断检测。**采用麦克尼马尔检验（McNemar's test）**进行分析。