The Cumulative Sum Method for Birth Defects Monitoring of Shanxi Province.
Li Yang · Chinese Journal of Child Heaith Care · 2000
Objective To analyze the data of birth defect monitoring of Shanxi province by using cumulative sum method(CUSUM). Methods The CUSUM was used to monitor the birth defect of 1998,when the data of 1996 and 1997 were regarded as baseline. Results The incidence of neural tube defect was increased.The incidence of cheilopalatognathus and limb defect were decrease. Conclusions The cumulative sum method is an effective and convenient tool to use for monitoring birth defect.It provided accurate information for monitoring control.