The invention provides methods, nucleic acids, compositions and kits for predicting a subject's outcome with an inflammatory condition and a subject's response to treatment with activated protein C or protein C like compound to identify subjects having a greater benefit from treatment with activated protein C. The method generally comprises determining a interferon gamma (IFNG) gene polymorphism genotype(s) of a subject for one or more polymorphisms in the IFNG gene or associated sequence, comparing the determined genotype with known genotypes for the polymorphism that correspond with an improved response polymorphism to identify potential subjects having an inflammatory condition who are more likely to benefit from treatment with activated protein C or protein C like compound and subsequent to treatment recover from the inflammatory condition. The invention also provides for methods of treating such subjects with an anti-inflammatory agent or anti-coagulant agent based on the subject's genotype.
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