Fig. 4

Quarterly Trends in Resistance of Staphylococcus spp. to Anti-MRSA Antibiotics in a Tertiary Hospital in Alexandria, Egypt from 2020 to 2023. This figure shows the quarterly resistance rates of Staphylococcus spp. to Methicillin, Vancomycin, Linezolid, and Teicoplanin in a tertiary hospital in Alexandria, Egypt, from January 2020 to December 2023. Methicillin resistance remained consistently high throughout the period, whereas resistance to Vancomycin, Linezolid, and Teicoplanin remained low and relatively stable. Abbreviations: β, regression coefficient; MRSA, methicillin-resistant Staphylococcus aureus