The univariate analyses (Table 3) indicated that TDM practice, albumin, acute physiology and chronic health evaluation (APACHE) II score, sequential organ failure assessment (SOFA) score, CRAB infection, length of using drugs, and the concomitant use of meropenem, omadacycline, or cefoperazone-sulbactam were associated with clinical efficacy. The gene discussed is ALB; the disease is infection.