Research Article
Infections due to Carbapenem Resistant Enterobacteriaceae among Saudi Arabian Hospitalized Patients: A Matched Case-Control Study
Table 1
Baseline demographic and clinical characteristics among the study population.
| | Variables | Cases () | Controls () |
| | Mean age years ± SD (range) | 55.4 ± 3.8 (17–85) | 54.7 ± 2.6 (15–94) | | Gender | | | | Male | 18 (62.1%) | 32 (55.2%) | | Female | 11 (37.9%) | 26 (44.8%) | | Admission unit | | | | Medical | 9 (31.0%) | 26 (44.8%) | | Surgical | 7 (24.1%) | 9 (15.5%) | | Intensive care | 13 (44.8%) | 23 (39.7%) | | Source of patient | | | | Home | 22 (75.9%) | 47 (81.0%) | | Hospital | 7 (24.1%) | 11 (19.0%) | | Sites of infection | | | | Bloodstream | 4 (10.3%) | 7 (12.1%) | | Skin and soft tissue | 7 (24.1%) | 10 (17.2%) | | Urinary tract | 7 (27.6%) | 17 (29.3%) | | Body fluid | 11 (38%) | 24 (41.4%) | | Infecting organisms | | | | Klebsiella pneumoniae | 15 (51.7%) | 31 (53.4%) | | Escherichia coli |
7 (24.1%) | 13 (22.4%) | | Enterobacter sp. | 6 (20.7%) | 12 (20.7%) | | Citrobacter sp. | 1 (3.5%) | 2 (3.5%) | | Duration of prior hospitalization in the past 3 months (days) ± SD (range) | 5.1 ± 1.8 (0–31) | 5.1 ± 1.8 (0–31) | | Duration of current hospitalization (days) ± SD (range) | 56.1 ± 16.7 (0–421) | 26.0 ± 5.2 (0–180) | | Total number of comorbidities ± SD (range) | 3.3 ± 0.3 (1–6) | 2.2 ± 0.2 (0–6) | | Number of procedures | 5.0 ± 0.3 (1–8) | 2.8 ± 0.3 (0–7) | | Carlson comorbidity index | 3.1 ± 0.5 (0–12) | 1.9 ± 0.3 (0–7) | | Mortality | 9 (31.0%) | 7 (12.1%) |
|
|
