Table 4 Resistance pattern for Pseudomonas species (aeruginosa and non-aeruginosa)

Quinolone resistance

 Quinolone sensitive

74.3%–124

 Quinolone resistant

25.7%–43

 Unknown (excluded)

1.8%–3

Carbapenem resistance

 Carbapenem-sensitive

68.8%–117

 Carbapenem-resistant

31.2%–53

Ceftazidime/cefepime resistance

 Ceftazidime/cefepime sensitive

79.8–130

 Ceftazidime/cefepime resistant

20.2%–33

 Unknown (excluded)

4.1%–7

Resistance classes

 Sensitive to all quinolones, carbapenems and ceftazidime/cefepime

61.8%–105

 Resistant to either class (quinolones, carbapenems or ceftazidime/cefepime)

12.4%–21

 Resistant to only two classes (quinolones, carbapenems or ceftazidime/cefepime)

14.1%–24

 Difficult-to-treat Resistance (DTR): Resistant to quinolones, carbapenems and ceftazidime/cefepime but colistin sensitive

10.6%–18

 Multi-Drug Resistant (MDR): Resistant to quinolones, carbapenems, ceftazidime/cefepime and colistin

1.2%–2

Important associations:

 Infection source

Pan-sensitive

Resistant to any drug

p-value

 Community-acquired

72.7%–40

27.3%—15

0.042

 Hospital-acquired

56.5%–65

43.5%—50