Selected article for: "control step and quality control"

Author: Sun, Mei; Xu, Ningze; Li, Chengyue; Wu, Dan; Zou, Jiatong; Wang, Ying; Luo, Li; Yu, Mingzhu; Zhang, Yu; Wang, Hua; Shi, Peiwu; Chen, Zheng; Wang, Jian; Lu, Yueliang; Li, Qi; Wang, Xinhua; Bi, Zhenqiang; Fan, Ming; Fu, Liping; Yu, Jingjin; Hao, Mo
Title: The public health emergency management system in China: trends from 2002 to 2012
  • Document date: 2018_4_11
  • ID: 1s1e6457_18
    Snippet: As the final step of quality control in both surveys, research group rechecked data and contacted CDCs with abnormal or absent values via email or phone. Finally, the overall response rate was 95.8% in 2002 and 99.5% in 2012......
    Document: As the final step of quality control in both surveys, research group rechecked data and contacted CDCs with abnormal or absent values via email or phone. Finally, the overall response rate was 95.8% in 2002 and 99.5% in 2012.

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