A COMPARATIVE ANALYSIS OF SPATIAL INTERPOLATION INCIDENCE OF TUBERCULOSIS PREVALENCE IN KARNATAKA
Tuberculosis is a bacterial air borne respiratory infectious disease caused by the Mycobacterium tuberculosis. Documented reports from 2011-16 by Revised National Tuberculosis Control Programme (RNTCP) revealed 26,628,020 Tuberculosis cases in India and 1,800,921 cases in Karnataka alone. The intensity of incidence, spread and the hotspots in Karnataka were focused using the tools of Geographical Information System (GIS), with comparative analytical procedure of spatial interpolation, cluster analysis and modeling the spatial pattern. It compares global and local indicators of spatial interpolation association for locating hotspot in spatial interpolation map. In the present study, Arc-GIS (Geographic Information System) interpolation tool is applied to identify the tuberculosis incidence hotspots in the Karnataka. Data for this study was obtained from the RNTCP. Statistical Package for the Social Sciences (SPSS) statistics revealed that the overall TB incidence in Karnataka is re-emerging from 2011-2016. The current study revealed the hotspots of TB incidence in Karnataka. The TB incidence in Bangalore, Belgaum, Mysore, Gulbarga and Raichur is recorded to be 18%, 21.78%, 11.88%, 11.66% and 22.1% respectively. Variation in incidence was observed during 2011-16, 28% incidence (2011-13), 1.765% decrease (2014-15) and 11.425% increase (2016), indicating re-emergence with more virulence and increased intonation pertaining to the incidence and spread. The present study is a novel concept with the intersection of GIS tool and the data analyzed targets the hotspots in these provinces, further, controlled management strategies may be intensified as remedial measures in the above geographical area.
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