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. 2023 Jul 31;12(8):1262. doi: 10.3390/antibiotics12081262

Table 2.

Rate of multi (M), extensively (X), and pan (P) drug-resistant (DR) Gram-negative microorganisms.

Microorganisms MDR XDR PDR CP-R ESBL Producer
Pseudomonas spp. 17.4–26.6%
Pseudomonas aeruginosa 15.7–39.6% 8.9–23%% 2–5.9% 4.5–35% 17–90%
Klebiella spp. Case-reports-3.9/4.3% 6.7–8.5% 2.5–100.0%
18%
Klebsiella pneumoniae 2–44.6% 7–26.6% <1–50%
Klebsiella oxytoca 2% 3% <1%
Escherichia coli 2–50% 7.7–11.5% 5–6.2% 0.1–12.1% 0
Acinetobacter spp. 31–70/90% 12.29% 56.6–77%
Acinetobacter calcoaceticus baumanii complex 15–40% 14.2–20% 90–99%
Enterobacter spp. 2–28.7% 16% 2.4–6.7% 0.9–1.7%
Enterobacter cloacae 6–22%
Peoteus mirabilis 3.8% 15.7% 0.7–1.7 4.6%
Stenotrophomonas maltophilia 17–30.5% 39.4% / / 0
Serratia spp. 30% 4.7–6.2% 1.5% 0.3–1.5% 0
Citrobacter spp. 34.5% 1% <1% 0.5–1% 0

Legend: According to the review, a wide variation exists in the literature in terms of the use of the definitions of XD-R and PD-R, and sometimes these definitions overlap [5,6,7,8].