Retrospective Study
Copyright ©The Author(s) 2025.
World J Virol. Mar 25, 2025; 14(1): 100501
Published online Mar 25, 2025. doi: 10.5501/wjv.v14.i1.100501
Table 1 Comparison of bacterial isolates over three periods (before, during, and after the coronavirus disease 2019 pandemic)
Organism
Pre-pandemic
Early pandemic
Post-peak pandemic
P value (2018-2019 vs 2020-2021)
P value (2020-2021 vs 2022-2023)
P value (2018-2019 vs 2022-2023)
Year 2018
Year 2019
Total
Year 2020
Year 2021
Total
Year 2022
Year 2023
Total
Escherichia coli206114163477131615492865163534005035< 0.01a< 0.01a< 0.01a
Klebsiella pneumoniae113390820418099691778892135422460.04a0.050.03a
Proteus mirabilis2041293331171312481441512950.080.120.15
Enterobacter spp.3072415481731963692012794800.03a0.060.04a
Salmonella spp.1491032521041182221625797410.05< 0.01a< 0.01a
Citrobacter spp.116116232881011891231592820.070.02a0.05
Serratia marsescenes849718177115192971192160.350.200.30
Pseudomonas aeruginosa8355771412550627117766868313510.100.180.19
Acinetobacter baumannii2972725693233366593173536700.060.070.08
Stenotrophomonas maltophilia1331292621021392411281122400.200.450.35
Haemaphilus influenzae12299221444084117116233< 0.01a< 0.01a< 0.01a
Staphylococcus aureus1631124828791102116922711363159129540.02a0.04a0.05
Enterococcus spp.7304861216511806131771285615680.050.04a0.05
Coagulase-negative Staphylococci106295520171060173427941498143329310.100.120.15
Streptococcus pyogenes127832104221631699115< 0.01a< 0.01a< 0.01a
Streptococcus pneumoniae106751813347809086176< 0.01a0.05< 0.01a