Table 1.
Descriptive statistics for VIM-PA colonization data collected at Erasmus MC, 2010–2018
| No./median (IQR/percentage %) | |
|---|---|
| Study period, days | 3058 |
| Admissions | 10,408 |
| Number of included patients | 8814 |
| Number of patients with readmissions | 1128 (12.8%) |
| Observed number of patients with positive culture(s) for VIM-PA | 62 (0.7%) |
| Number of patients with only negative cultures for VIM-PA | 7487 (84.9%) |
| Number of patients with no cultures | 1265 (14.4%) |
| Length of stay, days | 3.0 (2.0–7.0) |
| Observed colonized patients | 13.0 (5.0–31.0) |
| Observed uncolonized patients | 3.0 (2.0–7.0) |
| Number of cultures* per included patient | 6.0 (4.0–15.0) |
| Number of combined† cultures per included patient | 2.0 (1.0–4.0) |
| Number of combined cultures per admission | 2.0 (1.0–3.0) |
VIM-PA, Verona Integron-encoded Metallo-beta-lactamase (VIM)-producing Pseudomonas aeruginosa; IQR, interquartile range
*Throat and rectum samples counted individually
†Results of throat and recturm samples are combined. If both are negative, the combined culture result is negative. If one is positive, the combined culture result it positive