证明了用限制经验似然比构造的置信区域的置信概率的阶为Ｏ（ｎ＾－１），使用Ｂａｒｔｌｅｔｔ修正方法将该误差的阶降为Ｏ（ｎ＾－２）。......

Relative risk is a popular measure to compare risk of an outcome in the exposed group to the unexposed group. By applyin......