Raja Elangovan

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BACKGROUND Every year, a lot of Tuberculosis (TB) patients undergo Directly Observed Treatment Short-course (DOTS) in Salem city, one of the high TB districts in South India. Mobile phone usage among these patients and health workers is common. Mobile phone communication has a great potential in TB treatment. OBJECTIVES To analyze the mobile phone usage(More)
It is assumed for the Cox's proportional hazards model that the survival times of subjects are independent. This assumption might be violated in some situations, in which the collected data are correlated. The well-known Cox model is not valid in this situation because independence assumption among individuals is violated. For this purpose Cox's(More)
Salem is the fifth largest city with a population of 7.54 lakhs (2011) in Tamil Nadu. Local Authorities faced with great difficulties to identify required various road improvement projects. Local authorities have inadequate funds to improve these road networks from all angles at any point of time. Repair or improvement works may have to be under taken on a(More)
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