Subject area	Biology
More specific subject area	Molecular Genetics
Type of data	Tables, graphs, figures
How data was acquired	Survey, Collection of blood samples, Gradient PCR
Data format	Analyzed
Experimental factors	Isolation of genomic DNA from peripheral blood.
Experimental features	Genotyping of three SNPs by polymerase-chain-reaction with the confronting-two-pair primer (PCR-CTPP) method.
Data source location	Mahatma Gandhi cancer Hospital, King George Hospital and Lions Cancer Hospital, Visakhapatnam, Andhra Pradesh, India.
Data accessibility	Data are presented in this article