Table 1 Baseline characteristics of study patients (matched patient pairs)
Variables | Standard of Care | Selective Decontamination | SMD |
|---|---|---|---|
n = 2727 | n = 2727 | ||
Type of ICU of admission Polyvalent (vs surgical)—n (%) | 2535 (93.0) | 2522 (92.5) | 0.02 |
Workload in ICU of admission, number of admissions per bed per year | 28.85 [25.56–36.97] | 32.60 [26.50–33.25] | 0.05 |
Hydro-alcoholic solution consumption in ICU of admission, L per patient-day | 0.15 [0.14–0.20] | 0.16 [0.13–0.18] | 0.05 |
Age, year | 65.60 [53.95–74.20] | 63.30 [51.20–71.90] | 0.09 |
Male—n (%) | 1859 (68.2) | 1862 (68.3) | 0.00 |
Immunocompromised | 0.04 | ||
Neutropenia < 500 G/L—n (%) | 124 (4.5) | 141 (5.2) | 0.04 |
Others—n (%) | 212 (7.8) | 182 (6.7) | 0.16 |
None—n (%) | 2391 (87.7) | 2404 (88.2) | 0.07 |
SAPS II | 54 [41–67] | 54 [40–68] | 0.03 |
Year of admission | |||
2018—n (%) | 282 (10.3) | 437 (16.0) | 0.15 |
2019—n (%) | 343 (12.6) | 360 (13.2) | 0.02 |
2020—n (%) | 222 (8.1) | 285 (10.5) | 0.07 |
2021—n (%) | 756 (27.7) | 570 (20.9) | 0.17 |
2022—n (%) | 1124 (41.2) | 1075 (39.4) | 0.04 |
Localization before admission | |||
Home—n (%) | 1692 (62.0) | 1768 (64.8) | 0.06 |
Acute care ward—n (%) | 912 (33.4) | 830 (30.4) | 0.07 |
Other ICU—n (%) | 123 (4.5) | 129 (4.7) | 0.01 |
Type of admission | |||
Planned surgery—n (%) | 152 (5.6) | 149 (5.5) | 0.00 |
Urgent surgery—n (%) | 873 (32.0) | 932 (34.2) | 0.04 |
Medicine—n (%) | 1702 (62.4) | 1646 (60.4) | 0.04 |
Trauma—n (%) | 598 (21.9) | 690 (25.3) | 0.08 |
COVID-19—n (%) | 313 (11.5) | 264 (9.7) | 0.06 |
Early management | |||
Therapeutic antibiotics—n (%) | 1411 (51.7) | 1409 (51.7) | 0.00 |
Central venous catheter—n (%) | 2483 (91.1) | 2490 (91.3) | 0.01 |