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Abstract Title:

[Effect of endemic fluorosis on children's intelligence development: a Meta analysis].

Abstract Source:

Zhongguo Dang Dai Er Ke Za Zhi. 2008 Dec;10(6):723-5. PMID: 19102839

Abstract Author(s):

Ming Liu, Cong Qian

Article Affiliation:

Department of Health Statistics, China Medical University, Shenyang 110001, China.

Abstract:

OBJECTIVE: To investigate the effect of high levels of fluoride on children's intelligence development by analyzing the literatures systematically.

METHODS: The literatures on the relationship between endemic fluorosis and children's intelligence development published between 1995 and 2007 were retrieved electronically and manually. A total of 13 relevant literatures that met the inclusion criteria were included for Meta analysis. Meta analysis was performed using the Coorporative network software RevMan 4.3.

RESULTS: The subjects of the 13 literatures included 2 508 children from the high fluoride group and 2 330 children from the control group. Meta analysis showed these literatures were inhomogenous (x2=268.05, p<0.01). Therefore a random effect model was used. The average effect scale (OR=-7.14; 95%CI: -9.90, -4.37) suggested a negative correlation between high fluorosis exposure and children's intelligence development.

CONCLUSIONS: Exposure to high levels of fluoride may adversely influence children's intelligence development.

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Sayer Ji
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