Table 4.
Prevalence of healthcare-associated infections (HAIs) acquired during current hospitalisation according to patients’ characteristics, ward specialties, and exposure to extrinsic risks and results of univariate and multivariate analysis of association, Slovenian national healthcare-associated infections prevalence survey, 2017.
| Univariate analyses (whole data) | Univariate analyses (restricted data) | Multivariate analyses (restricted data) | ||||||
|---|---|---|---|---|---|---|---|---|
| Prevalence of HAIs | Number of patients (base) | Odds ratio | p-value (95% CI) | Odds ratio | p-value (95% CI) | Adjusted odds ratio | p-value (95% CI) | |
| Age | ||||||||
| <50 years | 3.9% | 1588 | 1 | p<0.001 | 1 | p<0.001 | ||
| 50–79 years | 7.7% | 3017 | 2.1 | (1.5-2.7) | 2.0 | (1.5-2.7) | ||
| ≥80 years | 7.3% | 1138 | 1.9 | (1.4-2.7) | 1.9 | (1.4-2.7) | ||
| McCabe index | ||||||||
| Non-fatal disease | 4.7% | 4143 | 1 | p<0.001 | 1 | p<0.001 | ||
| Ultimately fatal disease | 10.3% | 1128 | 2.3 | (1.8-2.9) | 2.3 | (1.8-2.9) | ||
| Rapidly fatal disease | 14.5% | 394 | 3.4 | (2.5-4.7) | 3.3 | (2.4-4.6) | ||
| Surgery (during current hospitalisation) | ||||||||
| No | 4.9% | 3904 | 1 | p<0.001 | 1 | p<0.001 | 1 | p<0.01 |
| Yes | 10.2% | 1827 | 2.2 | (1.8-2.7) | 2.2 | (1.8-2.7) | 1.6 | (1.2-2.0) |
| Intubation | ||||||||
| No | 5.8% | 5565 | 1 | p<0.001 | 1 | p<0.001 | ||
| Yes | 30.3% | 178 | 7.1 | (5.0-9.9) | 7.1 | (5.0-9.9) | ||
| Central vascular catheter | ||||||||
| No | 4.7% | 5202 | 1 | p<0.001 | 1 | p<0.001 | 1 | p<0.001 |
| Yes | 24.8% | 537 | 6.7 | (5.3-8.5) | 6.7 | (5.3-8.5) | 4.1 | (3.1-5.4) |
| Peripheral vascular catheter | ||||||||
| No | 4.6% | 2967 | 1 | p<0.001 | 1 | p<0.001 | 1 | p<0.001 |
| Yes | 8.7% | 2769 | 2.0 | (1.6-2.5) | 2.0 | (1.6-2.5) | 3.0 | (2.3-3.9) |
| Urinary catheter | ||||||||
| No | 4.1% | 4640 | 1 | p<0.001 | 1 | p<0.001 | 1 | p<0.001 |
| Yes | 16.8% | 1099 | 4.7 | (3.8-5.8) | 4.7 | (3.8-5.8) | 1.8 | (1.4-2.3) |
| Length of hospital staya: | ||||||||
| ≤3 days | 1.1% | 1892 | 1 | p<0.001 | 1 | p<0.001 | 1 | p<0.001 |
| 4-7 days | 3.1% | 1434 | 2.8 | (1.7-4.8) | 2.8 | (1.7-4.8) | 2.6 | (1.5-4.4) |
| 8-14 days | 9.5% | 1153 | 9.3 | (5.8-14.9) | 9.3 | (5.8-14.9) | 9.4 | (5.8-15.2) |
| ≥15 days | 16.1% | 1264 | 17.0 | (10.8-26.9) | 16.9 | (10.7-26.7) | 15.5 | (9.7-24.8) |
5,719 individuals with information on all risk factors included in the final multivariate model were included in multivariate analyses on the restricted data (99.6% of all individuals surveyed).
a
Length of hospital stay was computed until the day of the survey for patients without HAIs and for those with HAIs until the day of occurrence of HAIs (first HAI, if several).