It was shown that indwelling nasal feeding, serum albumin level, infection with drug-resistant bacteria, antibiotics to be upgraded, numbers of antibiotics upgrade, use of glucocorticoids during antibiotic therapy, use of glucocorticoids, and parenteral nutrition support were correlated with the mortality in elderly bedridden patients with hip fracture and lower respiratory tract infection (P < 0.05) (Table 5). This evidence concerns the gene ALB and infection.