Conclusion: Applying catalytic models to fit the positive rate of stoolexamination age distribution data of schistosomiasis, two-stage catalytic model is much better.
结论：应用催化模型拟合血吸虫病粪检阳性率的年龄分布资料，两级催化模型较为合适。
2
PCR can significantly improve the detection rate. CMVDNA detection in patients' stool may be helpful to diagnosis, especially for those patients who can not stand the endoscopy examination.