Table 1 Univariate analysis comparing 26 visits with environmental contamination with the 112 visits without environmental contamination
Contaminated (%) | Non- contaminated (%) | Crude OR (95%CI) | P value | |
|---|---|---|---|---|
Room cleaned | 3/26 (11.5) | 20/112 (17.9) | 0.60 (0.13–2.40) | 0.57 |
Median visit number (IQR) | 3 (1–9) | 4 (2–8) | – | 0.59 |
ESBL-KP | 25/26 (96.2) | 61/112 (54.5) | 20.90 (2.85–428.64) | <0.0001 |
CDS-ID ≥ 1 | 22/26 (84.6) | 86/112 (76.8) | 1.66 (0.48–6.29) | 0.44 |
Median age (IQR) | 75 (62–86) | 66 (48–81) | – | 0.05 |
Male patient | 22/26 (84.6) | 51/112 (45.5) | 6.58 (1.97–24.24 | <0.0001 |
Patient 4 | 10/26 (38.5) | 15/112 (13.4) | 4.04 (1.40–11.72) | 0.008 |
Patient 1 | 6/26 (23.1) | 0/112 (0) | – | <0.0001 |
Antibiotic exposure | 11/26 (42.3) | 79/112 (70.5) | 0.31 (0.12–0.80) | 0.01 |
Carbapenem exposure | 3/26 (11.5) | 40/112 (35.7) | 0.24 (0.05–0.90) | 0.02 |
IDC | 14/26 (53.8) | 26/112 (23.2) | 3.86 (1.46–10.29) | 0.003 |
Diarrhoea | 8/26 (30.8) | 12/112 (10.7) | 3.70 (1.18–11.58) | 0.025 |
Clinical specimen ESBL-E | 14/26 (53.8) | 51/112 (45.5) | 1.40 (0.55–3.56) | 0.52 |
Clinical infection | 3/26 (11.5) | 34/112 (30.4) | 0.30 (0.07–1.15) | 0.05 |
Isolation from wound swab | 12/26 (46.2) | 33/112 (29.5) | 2.05 (0.79–5.34) | 0.11 |
Isolation from urine | 2/26 (7.7) | 11/112 (9.8) | 0.77 (0.11–4.05) | 1.0 |