Age >65 (0.016), Male (0.053), Diabetes (0.051), Previous upper abdominal surgeries (0.009), Previous abdominal surgeries (0.001), Temperature  >37.5 (0.008), Aspartate transaminase >60 U/L (0.017), Alanine transaminase >60 U/L (<0.001). This evidence concerns the gene GPT and diabetes mellitus.