an increasing trendp <0.0001
Notably, the positive rates of sputum cultures showed an increasing trend year by year except for 2021 ( p <0.0001) ( Figure 2 A).
Notably, the positive rates of sputum cultures showed an increasing trend year by year except for 2021 ( p <0.0001) ( Figure 2 A).
pneumoniae , the resistance rate to imipenem and meropenem significantly increased in 2019 ( p < 0.05), while that to cefoperazone/sulbactam showed a decreasing trend during the study period ( p = 0.0110) ( Figure 4 C).