TNF and tuberculosis: Among these polymorphisms, C allele of TNF 857 and A allele of TNF 238 were more frequent in TB cases as compared to control group [TNF 857 C allele OR[CI95%] 0.6[0.4–0.9], p= 0.02] for TNF 238 A allele [OR[CI95%] 5.5[3.4–9.0], p= 0.00].