MTNR1B and delirium: Subjects without incident delirium had higher odds of having MTNR1B SNP rs10830963 CG/GG (vs. CC) genotype when compared to those with delirium in both unadjusted and adjusted models (OR 3.40; 95% CI 1.25, 9.21; p = 0.02; adjusted OR 3.88; 95% CI 1.33, 11.31; p = 0.01).