Table 1 Circumstances of ICU admission, demographic data, comorbidities, and clinical status at ICU admission to the ECMO center
Group of variables | Variable | All (n = 158) | Death (n = 117) | Survival (n = 41) | p |
|---|---|---|---|---|---|
Circumstances of ICU admission | Admission from another facility | 123 (77.8%) | 90 (76.9%) | 33 (80.5%) | 0.799 |
Duration of hospital stay before the initiation of ECMO (days) | 7.6 ± 6.0 | 8.1 ± 6.1 | 6.3 ± 5.7 | 0.026 | |
Duration of mechanical ventilation before ECMO (days) | 5.3 ± 6.2 | 5.6 ± 6.5 | 4.8 ± 5.2 | 0.379 | |
Transport on ECMO | 49 (31.0%) | 39 (33.3%) | 10 (24.4%) | 0.385 | |
ICU admission after October 1, 2020 | 139 (88.0%) | 107 (91.5%) | 32 (78.1%) | 0.385 | |
Demographic data | Age (years) | 46.3 ± 9.8 | 47.0 ± 9.6 | 44.3 ± 10.2 | 0.164 |
Male sex | 119 (75.3%) | 86 (73.5%) | 33 (80.5%) | 0.495 | |
BMI (kg/m2) | 30.9 ± 5.9 | 31.4 ± 6.0 | 29.3 ± 5.0 | 0.012 | |
Comorbidities | Arterial hypertension | 41 (25.9%) | 33 (28.2%) | 8 (19.5%) | 0.376 |
Chronic pulmonary disease | 11 (7.0%) | 8 (6.8%) | 3 (7.3%) | 0.800 | |
Cancer | 4 (2.5%) | 4 (3.4%) | 0 (0.0%) | 0.534 | |
Psychiatric disorders | 7 (4.4%) | 6 (5.1%) | 1 (2.4%) | 0.780 | |
Thyroid dysfunction | 6 (3.8%) | 6 (5.1%) | 0 (0.0%) | 0.316 | |
Diabetes mellitus | 20 (12.7%) | 17 (14.5%) | 3 (7.3%) | 0.356 | |
Chronic heart failure | 3 (1.9%) | 3 (2.6%) | 0 (0.0%) | 0.711 | |
Coronary artery disease | 6 (3.8%) | 4 (3.4%) | 2 (4.9%) | 0.957 | |
Pregnancy | 7 (4.4%) | 4 (3.4%) | 3 (7.3%) | 0.547 | |
No comorbidities | 90 (57.0%) | 63 (53.9%) | 27 (65.9%) | 0.376 | |
Clinical status at ICU admission | paO2/FiO2 ratio (mmHg) | 70.5 ± 31.3 | 68.8 ± 33.4 | 75.4 ± 24.2 | 0.038 |
paCO2 (mmHg) | 62.0 ± 22.5 | 62.3 ± 20.6 | 61.3 ± 27.5 | 0.152 | |
pH (1) | 7.33 ± 0.13 | 7.33 ± 0.12 | 7.35 ± 0.13 | 0.201 | |
Lactate (mmol/L) | 1.82 ± 1.12 | 1.93 ± 1.22 | 1.51 ± 0.64 | 0.008 |