Table. 1.

Table. 1.

Average including zero values of fluoride concentrations of ground-water in primary and secondary schools in five areas of Laos

Vientiane Luang Prabang Luang Namtha Savannakhet Pakse Overall
Urban-primary 0.050 0.050 0.060 0.160 0.090
Urban-secondary 0.000 0.020 0.020 0.030 0.220
Rural-primary 0.000 0.030 0.100 0.010 0.410
Rural-secondary 0.000 0.010 0.130 0.000 0.110
Mean±standard deviation 0.013±0.025 0.028±0.017 0.078±0.048 0.050±0.074 0.208±0.147 0.075±0.099
Int J Clin Prev Dent 2023;19:39-44 https://doi.org/10.15236/ijcpd.2023.19.3.39
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