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Table 1 Comparison of ARB colonization rates according to the patient’s territory of residence (2015–2017) using Reunion Island (France) as reference

From: Reunion Island, a sentinel territory for antimicrobial-resistant bacteria surveillance in the South-Western Indian Ocean: a retrospective survey using hospitalized patient screening, 2015–2017

  Patients (n) ARB positive patients ESBL-E MRSA CRE
OR (95% CI) Prevalence (95% CI) OR (95% CI) Prevalence (95% CI) OR (95% CI) Prevalence (95% CI) OR (95% CI) Prevalence (95% CI)
Seychelles 13 7.0 [2.3–23.2] ** 61.5% [35.5–82.3%] 7.4 [2.4–24.5] ** 61.5% [35.5–82.3%] 32.9 [4.8–140.8] ** 15.4% [4.3–42.2%] _ _
Madagascar 322 3.1 [2.4–3.9] ** 41.3% [36.1–46.8%] 3.1 [2.4–3.9] ** 40.1% [34.9–45.5%] 2.3 [0.7–6.6] 1.2% [0.5–3.2%] 2.7 [0.8–8.2] 1.2% [0.5–3.2%]
Comoros 30 2.2 [1.0–4.6] * 33.3% [19.2–51.2%] 2.3 [1.0–4.8] * 33.3% [19.2–51.2%] _ _ _ _
Mayotte 1475 1.6 [1.3–1.8] ** 26.4% [24.3–28.8%] 1.5 [1.3–1.8] ** 24.7% [22.5–26.9%] 3.6 [1.9–7.4] ** 2.0% [1.4–2.8%] 2.1 [0.9–4.8] 0.9% [0.6–1.6%]
Mauritius 111 1.5 [1.0–2.4] 26.1% [18.9–35.0%] 1.1 [0.7–1.8] 19.8% [13.5–28.2%] _ _ 19.2 [7.5–48.6] ** 8.1% [4.3–14.7%]
Reunion 2184 1 (ref) 18.7% [17.1–20.4%] 1 (ref) 17.9% [16.3–19.5%] 1 (ref) 0.5% [0.3–1.0%] 1 (ref) 0.5% [0.2–0.8%]
  1. ARB Antimicrobial-resistant bacteria, ESBL-E Extended-spectrum betalactamase producing Enterobacteriaceae, MRSA Methicillin-resistant Staphylococcus aureus, CRE Carbapenem-resistant Enterobacteriaceae, OR Odds ratio, CI Confidence interval, ref. reference for odds ratio estimation; ** ≤ 0.001; * < 0.05; ACB, PSA, and VRE are not presented here as odds ratio were not significant