Figure 3
From: Ecological analysis of Kashin-Beck osteoarthropathy risk factors in Tibet’s Qamdo City, China
Spatial distributions of the prevalence rate and five main potential risk factors of KB in Qamdo City. The maps were generated by ArcGIS 10.2 (http://www.esri.com/). (a) KB prevalence rates of 11 counties; (b) Tectonic division of Qamdo City containing 4 types of vector data; (c) Stratum map of Qamdo City containing 23 types of vector data; (d) Moisture index map of Qamdo City classified into 8 types through the natural break method to reclassify the raster data; (e) Data of the gross domestic product divided into quartiles; (f) Mean annual precipitation calculated by the ANUSPLINE software and classified into 8 quantiles to reclassify the raster data.
