Distribution of CLBP: There were 23 athletes out of 41 ones appeared back pain with the caserate of 56%.
腰痛分布情况：41名女子赛艇运动员有23名发生腰痛，患病率为56%。
2
Methods: The cases are classified by the case classification software, and then, use four type case distribution and CD caserate separately correct the average jength of stay.
方法：用病例分型管理软件进行病例分型，用CD型率和病例四型分布对科室平均住院日进行校正。
3
Conclusion: the gonarthritis caserate of women in the Quanzhou village is prominently higher that of citizens of other urban districts domestically, which should be noticeable.