Research Article

Comparison of Different Phenotypic Tests versus PCR in the Detection of Carbapenemase-Producing Pseudomonas aeruginosa Isolates in Hamadan, Iran

Table 4

Demographic characteristics of evaluated P. aeruginosa isolates and antibiogram resistance with three main antibiotics.

CharacteristicsNo. examinedImipenem resistanceMeropenem resistanceDoripenem resistance
No. (%)-valueNo. (%)-valueNo. (%)-value

Age
0–1095 (55.6)0.3085 (55.6)0.4415 (55.6)0.346
11–2095 (55.6)5 (55.6)5 (55.6)
21–3074 (57.1)3 (42.8)3 (42.8)
31–4073 (42.8)2 (28.6)2 (28.6)
41–50219 (42.8)9 (42.8)9 (42.8)
51–60145 (35.7)4 (28.6)3 (21.4)
61–701913 (68.4)12 (63.1)13 (68.4)
71–8052 (40)2 (40)3 (60)
81–9052 (40)2 (40)3 (60)
91–10011 (100)1 (100)1 (100)
Total no.9749 (50.5)45 (46.4)47 (48.5)

Gender
Male7034 (48.6)0.23233 (47.1)0.48834 (48.6)0.345
Female2715 (55.6)12 (44.4)13 (48.1)
Total no.9749 (50.5)45 (46.4)47 (48.5)

Hospital ward
Burn2819 (67.8)0.22319 (67.8)0.17018 (64.3)0.154
Surgery52 (40)1 (20)0 (0)
Pulmonary115 (45.4)4 (36.4)3 (27.3)
Neurology30 (0)1 (33.3)1 (33.3)
Orthopedics10 (0)0 (0)1 (100)
Trauma137 (53.8)5 (38.4)6 (46.1)
NICU82 (25)1 (12.5)1 (12.5)
ICU149 (64.3)8 (57.1)10 (71.4)
Hematology21 (50)0 (0)1 (50)
Infected124 (33.3)6 (50)6 (50)
Total no.9749 (50.5)45 (46.4)47 (48.5)

Sample source
BC2214 (63.6)12 (54.5)12 (54.5)
UC123 (25)0.0824 (33.3)0.4014 (33.3)0.243
TC3316 (48.5)14 (42.4)15 (45.4)
TA53 (60)3 (60)4 (80)
Wound159 (60)7 (46.7)8 (53.3)
Sputum62 (33.3)3 (50)2 (33.3)
CSF20 (0)0 (0)0 (0)
Fluid11 (100)1 (100)1 (100)
TT11 (100)1 (100)1 (100)
Total no.9749 (50.5)45 (46.4)47 (48.5)

Hospitalization period
0-10 days5620 (35.7)18 (32.1)14 (25)
11-29 days2516 (64)13 (52)18 (72)
1-2 months1613 (81.2)0.43314 (87.5)0.45515 (93.7)0.601
Total no.9749 (50.5)45 (46.4)47 (48.5)