| Variables | Pre-intervention period | Intervention period | p Value | ||
|---|---|---|---|---|---|
| n = 14 | percent (%) | n = 42 | percent (%) | ||
| Age (years), median (IQR) | 86.5 (81-92) | ― | 87 (78-91) | ― | 0.44 |
| Sex female | 9 | 64.2 | 15 | 35.7 | 0.06 |
| Setting | |||||
| Hospital-onset | 7 | 50.0 | 23 | 54.8 | 0.75 |
| Microbiology | |||||
| MRSA | 4 | 28.6 | 14 | 33.3 | 0.74 |
| Source of bacteremia | 0.14 | ||||
| Catheter-related bloodstream infections | 3 | 21.4 | 11 | 26.2 | |
| Endocarditis | 0 | 0.0 | 5 | 11.9 | |
| Osteomyelitis/arthritis | 2 | 14.3 | 12 | 28.6 | |
| Respiratory tract | 0 | 0.0 | 1 | 2.4 | |
| Skin and soft tissue infection | 1 | 7.1 | 3 | 7.1 | |
| Others | 4 | 28.6 | 2 | 4.8 | |
| Unknown source of bacteremia | 4 | 28.6 | 8 | 19.1 | |
| 14-day mortality | 3 | 21.4 | 6 | 14.3 | 0.53 |
| 30-day mortality | 5 | 35.7 | 9 | 21.4 | 0.29 |
| Adherence to quality-of-care indicators (QCIs) | |||||
| Follow-up blood culture on day 7 | 2/14 | 14.3 | 29/42 | 69.1 | <0.01 |
| TTE/TEE echocardiography | 6/14 | 42.9 | 21/42 | 50.0 | 0.64 |
| Appropriate antimicrobial therapy | 8/14 | 57.1 | 36/44 | 85.8 | 0.02 |
| Intravenous treatment for 14 days | 7/11 | 63.6 | 32/36 | 88.9 | 0.05 |
