Table 3 Categories of risk factors investigated in the final, multivariable model in the included studies, by large groups of microbial aetiology
Infection/colonisation | Mortality | ||
|---|---|---|---|
Risk factors by microbial aetiology | Count | Risk factors by microbial aetiology | Count |
Clostridioides difficile | Â | Clostridioides difficile | Â |
 Basic characteristics | 29 | Basic characteristics | 10 |
 Antibiotic use | 28 | Comorbidities/clinical condition | 8 |
 Cancer-related | 18 | Hospital-related | 6 |
 Comorbidities/clinical condition | 14 | Infection-related | 6 |
 Hospital-related | 14 | Other | 3 |
Fungi | Â | Fungi | Â |
 Antifungal use | 7 | Infection-related | 21 |
 Basic characteristics | 7 | Hospital-related | 9 |
 Other | 6 | Basic characteristics | 7 |
 Infection-related | 6 | Comorbidities/clinical condition | 7 |
 Cancer-related | 4 | Antibiotic use | 6 |
Gram-negative bacteria | Â | Gram-negative bacteria | Â |
 Antibiotic use | 65 | Infection-related | 71 |
 Infection-related | 35 | Comorbidities/clinical condition | 40 |
 Hospital-related | 23 | Cancer-related | 31 |
 Basic characteristics | 21 | Antibiotic use | 27 |
 Cancer-related | 15 | Basic characteristics | 24 |
Gram-positive bacteria | Â | Gram-positive bacteria | Â |
 Antibiotic use | 14 | Infection-related | 14 |
 Infection-related | 11 | Cancer-related | 11 |
 Cancer-related | 7 | Basic characteristics | 8 |
 Basic characteristics | 5 | Neutropenia | 6 |
 Chemotherapy/immunosuppressants | 5 | Antibiotic use | 5 |
Several bacteria and/or fungi | Â | Several bacteria and/or fungi | Â |
 Transplantation-related | 5 | Infection-related | 96 |
 Antibiotic use | 4 | Comorbidities/clinical condition | 39 |
 Laboratory findings (non-microbiological) | 4 | Cancer-related | 31 |
 Surgery-related | 4 | Basic characteristics | 31 |
 Comorbidities/clinical condition | 2 | Antibiotic use | 27 |