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Table 1 Clinical characteristics of patients and risk factors associated with oral colonisation by resistant bacteria

From: Oral colonisation by antimicrobial-resistant Gram-negative bacteria among long-term care facility residents: prevalence, risk factors, and molecular epidemiology

Variable Subjects with ARB-positive, n = 37 Subjects with ARB-negative, n = 61 Univariate analysis P-value
n (%) OR 95% CI  
Age ≥ 90 years, n (%) 12 (32.4) 13 (21.3) 1.77 0.71–4.45 0.22
Male sex, n (%) 14 (37.8) 15 (24.6) 1.87 0.77–4.52 0.16
Ward, n (%)      0.92
 1st floor 10 (27.0) 17 (27.9) 0.96 0.38–2.40 0.93
 2nd floor 14 (37.8) 25 (41.0) 0.88 0.38–2.03 0.76
 3rd floor 13 (35.1) 19 (31.1) 1.20 0.50–2.85 0.68
Dementia 15 (40.5) 31 (50.8) 0.66 0.29–1.51 0.32
Strokes (cerebral infarction/ cerebral haemorrhage) 16 (43.2) 11 (18.0) 3.46 1.38–8.70 0.007**
Cardiovascular diseases 15 (40.5) 19 (31.1) 1.51 0.64–3.53 0.34
Diabetes 10 (27.0) 10 (16.4) 1.89 0.70–5.10 0.21
Cancers 1 (2.7) 5 (8.2)    0.40a
Fractures 5 (13.5) 11 (18.0) 0.71 0.23–2.24 0.56
Arthropathy 2 (5.4) 2 (3.3)    0.63a
Dysarthria or dysphagia 13 (35.1) 12 (19.7) 2.21 0.88–5.57 0.09
Inappropriate oral care 18 (48.6) 26 (42.6) 1.28 0.56–2.90 0.56
Denture wearing 24 (64.9) 32 (52.5) 1.67 0.72–3.88 0.23
Percutaneous endoscopic gastrotomy tubes (PEG tubes) 6 (16.2) 0 (0.0)    0.002a,**
  1. OR Odds ratio, CI Confidence interval
  2. a Fisher’s Exact Test
  3. *P value ≤ 0.05, **P value ≤ 0.01