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Table 2 Risk factors for 247 isolates of multi-resistant Acinetobacter baumannii (all patients, N = 164)

From: Multidrug resistant Acinetobacter baumannii: a descriptive study in a city hospital

Risk factor MDRAB Control p-value1 Odds 95% C.I2
  (N = 122) (N = 42)   Ratio  
Surgical admission 53 22 0.32 0.70 0.35-1.141
Age > 55 49 12 0.18 1.68 0.78 - 3.59
Male Gender 90 27 0.24 1.56 0.74 - 3.30
Institutionalized < 90 days prior to admission 91 32 0.84 0.92 0.41 - 2.08
Multiple Isolates 53 3 < 0.01 9.98 2.93-34.08
Mechanical Ventilation 65 3 < 0.01 14.82 4.35 - 50.57
Previous antibiotics 111 33 0.03 2.75 1.05 - 7.21
Quinolone 50 11 0.09 1.96 0.90 - 4.26
Co-morbidity3 111 33 0.03 2.75 1.05-7.21
COPD4 19 2 0.07 3.69 0.82 - 16.57
Neurologic impairment5 27 3 0.03 3.69 1.06 - 12.89
Diabetes mellitus 35 19 0.05 0.49 0.24 - 1.00
Mortality 36 1 < 0.01 17.24 1.70 - 83.33
  1. 1 p-values derived from Fisher's exact test
  2. 2 C.I. - 95% Confidence Interval
  3. 3 Congestive heart failure, chronic pancreatitis, peripheral vascular disease, coronary artery disease, chronic obstructive pulmonary disease, diabetes mellitus, end stage renal disease, asthma, cancer, obesity, hepatitis, human immunodeficiency virus
  4. 4COPD - Chronic Obstructive Pulmonary Disease
  5. 5Cerebrovascular accident, Traumatic brain injury, Alzheimer's disease, Spinal cord injury