Parameter | Property | Relevant alerts | Non-relevant alerts | Significance |
---|---|---|---|---|
Number (%) | Number (%) | p-value (two-tailed) | ||
Cluster size (number of isolates) | All | 317 (100) | 589 (100) | n.a. |
2 | 154 (48.6) | 312 (53.0) | 0.23 | |
3 | 86 (27.1) | 173 (29.4) | 0.53 | |
>3 | 77 (24.3) | 104 (17.7) | 0.02 | |
Ward type | All | 317 (100) | 589 (100) | n.a. |
Adult non-ICU | 131 (41.3) | 377 (64.0) | <0.01 | |
Adult ICU | 162 (51.1) | 184 (31.2) | <0.01 | |
NEOPED | 24 (7.6) | 28 (4.8) | 0.11 | |
Pathogen(-group) | All | 317 (100) | 589 (100) | n.a. |
Enterococcus spp. | 86 (27.1) | 206 (35.0) | 0.02 | |
Staphylococcus aureus | 34 (10.7) | 59 (10.0) | 0.83 | |
CNS | 25 (7.9) | 123 (20.9) | <0.01 | |
Escherichia coli | 29 (9.1) | 100 (17.0) | <0.01 | |
Klebsiella spp. | 70 (22.1) | 43 (7.3) | <0.01 | |
Pseudomonas aeruginosa | 23 (7.3) | 33 (5.6) | 0.40 | |
Enterobacter spp. | 15 (4.7) | 11 (1.9) | 0.02 | |
Other | 35 (11.0) | 14 (2.4) | <0.01 | |
Cluster includes at least one clinical isolate | All | 317 (100) | 589 (100) | n.a. |
Yes | 290 (91.5) | 557 (94.6) | 0.10 | |
No | 27 (8.5) | 32 (5.4) | 0.10 | |
Cluster includes at least one multidrug resistant isolate | All | 317 (100) | 589 (100) | n.a. |
Yes | 75 (23.7) | 137 (23.3) | 0.96 | |
No | 242 (76.3) | 452 (76.7) | 0.96 |