BioMed Research International / 2014 / Article / Tab 2

Research Article

Study on the Relationship between Manganese Concentrations in Rural Drinking Water and Incidence and Mortality Caused by Cancer in Huai’an City

Table 2

The comparison of Mn concentrations in drinking water during different periods.

PeriodsWater sourcesMeanStd.

High flow periodSurface water28437.85439.797.19 0.00
Shallow groundwater28286.56429.09
Deep groundwater2872.01130.91
All84265.47388.83

Low flow periodSurface water19607.24168.383.50 0.04
Shallow groundwater27871.35753.13
Deep groundwater28503.65406.83
All74664.41544.82

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