Table 4 Distribution of reference episodes according to the physicians’ assessments and the computer algorithms
Physicians’ assessment | |||||
|---|---|---|---|---|---|
All reference episodes | Bloodstream infection | Contamination | Total | Kappa | |
Computer algorithm | Bloodstream infection | 7,288 (76.9)1 | 276 (2.9) | 7,564 | 0.83 |
Contamination | 240 (2.5) | 1,678 (17.7) | 1,918 | ||
Total | 7,528 | 1,954 | 9,482 | ||
Bloodstream infection reference episodes from both assessments | Polymicrobial | Monomicrobial | |||
Computer algorithm | Polymicrobial | 638 (8.8) | 305 (4.2) | 943 | 0.76 |
Monomicrobial | 51(0.7) | 6,294 (86.4) | 6,345 | ||
Total | 689 | 6,599 | 7,288 | ||
Bloodstream infection reference episodes from both assessments | Community | Hospital | |||
Computer algorithm | Community | 4,740 (65.0) | 289 (4.0) | 5,029 | 0.57 |
Hospital | 943 (12.9) | 1,316 (18.1) | 2,259 | ||
Total | 5,683 | 1,605 | 7,288 | ||
Community-onset bloodstream infection reference episodes from both assessments | Healthcare-associated | Not healthcare-associated | |||
Computer algorithm | Healthcare-associated | 357 (7.5) | 1,547 (32.6) | 1,904 | 0.15 |
Not healthcare-associated | 161 (3.4) | 2,675 (56.4) | 2,836 | ||
Total | 518 | 4,222 | 4,740 | ||