报告率 meaning in Chinese

polling rate

The self - dead rodent reporting rates in the counties or years with more human plague cases were significantly lower than those with less human plague cases
人间鼠疫病例多的县（市）和病例多的年份自毙鼠报告率显著低于病例少的县（市）和年份。
But also have its drawback , if report rate is low , rate of fail to report sth is tall , optional the gender is big , new drug is undesirable the much , old drug that reaction reports is little , be hard to decide causal , the occurence rate of imponderable harmful response
但也有其缺点，如报告率低，漏报率高、随意性大，新药不良反应报告的多、老药少，难于确定因果关系，无法计算不良反应的发生率。