Fig. 4

Survival analysis of patients with Gram-negative bacterial meningitis from 2004 to 2019. A Kaplan–Meier survival analysis of patients infected with Carba-NS Gram-negative bacterial meningitis compared to patients infected with Carba-S Gram-negative bacterial meningitis (P = 0.001). B Kaplan–Meier survival analysis of patients infected with Acinetobacter baumannii complex meningitis compared to patients infected with Enterobacterales meningitis and other Gram-negative bacterial meningitis (P < 0.001). C Cox survival analysis for the use of aminoglycosides for Carba-NS Enterobacterales meningitis (P = 0.039)