caa a22 4500 606200207 CHVBK 20210128100942.0 cr unu---uuuuu 210128e20150801xx s 000 0 eng 10.1007/s10653-015-9700-5 doi (NATIONALLICENCE)springer-10.1007/s10653-015-9700-5 Chemical composition of groundwater and relative mortality for cardiovascular diseases in the Slovak Republic [Elektronische Daten] [S. Rapant, K. Fajčíková, V. Cvečková, A. Ďurža, B. Stehlíková, D. Sedláková, Z. Ženišová] The study deals with the analysis of relationship between chemical composition of the groundwater/drinking water and the data on relative mortality for cardiovascular diseases (ReI) in the Slovak Republic. Primary data consist of the Slovak national database of groundwater analyses (20,339 chemical analyses, 34 chemical elements/compounds) and data on ReI collected for the 10-year period (1994-2003). The chemical and health data were unified in the same form and expressed as the mean values for each of 2883 municipalities within the Slovak Republic for further analysis. Artificial neural network was used as mathematic method for model data analysis. The most significant chemical elements having influence on ReI were identified together with their limit values (maximal acceptable, minimal necessary and optimal). Based on the results of calculations, made through the neural networks, the following ten chemical elements/parameters in the groundwater were defined as the most significant for ReI: Ca+Mg (mmoll−1), Ca, Mg, TDS, Cl, HCO3, SO4, NO3, SiO2 and PO4. The obtained results document the highest relationship between ReI and the groundwater contents of Ca+Mg (mmoll−1), Ca and Mg. Following limit values were set for the most significant groundwater chemicals/parameters: Ca+Mg 4.4-7.6mmoll−1, Ca>89.4mgl−1 and Mg 42-78.1mgl−1. At these concentration ranges, the relative mortality for cardiovascular diseases in the Slovak Republic reaches the lowest levels. These limit values are about twice higher in comparison with the current Slovak valid guideline values for the drinking water. Springer Science+Business Media Dordrecht, 2015 Calcium nationallicence Magnesium nationallicence Groundwater nationallicence Cardiovascular disease mortality nationallicence Neural network nationallicence Slovak Republic nationallicence Rapant S. State Geological Institute of Dionyz Stur, Mlynská dolina 1, 817 04, Bratislava, Slovak Republic aut Fajčíková K. State Geological Institute of Dionyz Stur, Mlynská dolina 1, 817 04, Bratislava, Slovak Republic aut Cvečková V. State Geological Institute of Dionyz Stur, Mlynská dolina 1, 817 04, Bratislava, Slovak Republic aut Ďurža A. Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina 16, 842 15, Bratislava, Slovak Republic aut Stehlíková B. Faculty of Economics and Business, Paneuropean University, Bratislava, Slovak Republic aut Sedláková D. WHO Country Office in the Slovak Republic, Limbová 2, 837 52, Bratislava, Slovak Republic aut Ženišová Z. Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina 16, 842 15, Bratislava, Slovak Republic aut Environmental Geochemistry and Health Springer Netherlands 37/4(2015-08-01), 745-756 0269-4042 37:4<745 2015 37 10653 https://doi.org/10.1007/s10653-015-9700-5 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10653-015-9700-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Rapant S. State Geological Institute of Dionyz Stur, Mlynská dolina 1, 817 04, Bratislava, Slovak Republic aut NATIONALLICENCE 700 1- Fajčíková K. State Geological Institute of Dionyz Stur, Mlynská dolina 1, 817 04, Bratislava, Slovak Republic aut NATIONALLICENCE 700 1- Cvečková V. State Geological Institute of Dionyz Stur, Mlynská dolina 1, 817 04, Bratislava, Slovak Republic aut NATIONALLICENCE 700 1- Ďurža A. Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina 16, 842 15, Bratislava, Slovak Republic aut NATIONALLICENCE 700 1- Stehlíková B. Faculty of Economics and Business, Paneuropean University, Bratislava, Slovak Republic aut NATIONALLICENCE 700 1- Sedláková D. WHO Country Office in the Slovak Republic, Limbová 2, 837 52, Bratislava, Slovak Republic aut NATIONALLICENCE 700 1- Ženišová Z. Faculty of Natural Sciences, Comenius University in Bratislava, Mlynská dolina 16, 842 15, Bratislava, Slovak Republic aut NATIONALLICENCE 773 0- Environmental Geochemistry and Health Springer Netherlands 37/4(2015-08-01), 745-756 0269-4042 37:4<745 2015 37 10653