POTENTIAL YEARS OF LIFE LOST DUE TO CANCERS AMONG WOMEN IN SOUTH KERALA: KULLBACK-LEIBLER SURVIVAL DIVERGENCE APPROACH
*Jagathnath Krishna K. M., Preethi Sara George and Aleyamma Mathew
ABSTRACT
Incidence with five-year follow-up and mortality data of Trivandrum Cancer Registry for the year 2012 showed that the burden due to cancer among women is increasing substantially. The total female cancer deaths in Trivandrum accounts for 784 (42.2%), of the total breast, cervix-uteri, ovary, corpus-uteri and lung together accounted for 48% of female cancer deaths in 2012. Hence potential years of life lost (PYLL) due to cancers among females and burden due to cancers among women in Thiruvananthapuram were assessed. Measures like PYLL, Kullback-Leibler Survival (KLS) divergence measure (relative entropy), Mortality Incidence Ratio (MIR) were used to estimate the burden. The present study observed that PYLL due to cancer in women are substantial as majority of our cancer load is due to breast, lung, cervix uteri and ovary. PYLL and KLS analysis together would help to assess the life-years lost from premature death due to cancer.
Keywords: Burden estimation, Cancer, Kullback-Leibler Survival Divergence measure, Kaplan-Meier method, Mortality Incidence Ratio, Potential years of life lost.
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