Table 2 Baseline characteristics for the 36–84 h fluid balance patient cohort in all four databases
eICU | MIMIC III | Amsterdam | SNUH | ||||
|---|---|---|---|---|---|---|---|
n | 2206 | n | 3521 | n | 1297 | n | 129 |
Age (mean (SD)) | 65.83 (16.09) | Age (mean (SD)) | 65.65 (16.69) | Age (%) | Age (mean (SD)) | 63.27 (15.69) | |
Gender = Male (%) | 1133 (51.4) | Gender = Male (%) | 1897 (53.9) | 18–39 | 166 (12.8) | Gender = Male (%) | 67 (51.9) |
ICU Type (%) | ICU type (%) | 40–49 | 158 (12.2) | ICU type (%) | |||
Cardiac ICU | 132 (6.0) | Cardiac ICU (CICU) | 426 (12.1) | 50–59 | 216 (16.7) | Thoracic surgery ICU (RICU) | 8 (6.2) |
Cardiac ICU-Cardiothoracic ICU (CCU-CTICU) | 145 (6.6) | 60–69 | 302 (23.3) | ||||
Cardiac surgery ICU (CSICU) | 80 (3.6) | Cardiac surgery recovery unit (CSRU) | 450 (12.8) | 70–79 | 286 (22.1) | ||
Cardiothoracic ICU (CTICU) | 14 (0.6) | 80 + | 169 (13.0) | ||||
Medicine ICU (MICU) | 400 (18.1) | Medicine ICU (MICU) | 1629 (46.3) | Gender = Male (%) | 768 (59.2) | Medicine ICU (MICU) | 81 (62.8) |
Neuro ICU | 20 (0.9) | ICU Type = mixed surgical-medical (%) | 1297 (100.0) | ||||
Med-Surg ICU | 1288 (58.4) | ||||||
Surgery ICU (SICU) | 127 (5.8) | Surgery ICU (SICU) | 548 (15.6) | Surgical ICU (SICU) | 40 (31.0) | ||
Trauma Surgical ICU (TSICU) | 468 (13.3) | ||||||
Weight (mean (SD)) | 81.07 (26.72) | Weight (mean (SD)) | 87.34 (25.08) | Weight (mean (SD)) | 77.75 (27.58) | Weight (mean (SD)) | 59.62 (11.75) |
Height (mean (SD)) | 168.37 (11.26) | Height (mean (SD)) | 168.56 (10.66) | Height (mean (SD)) | 173.28 (10.99) | Height (mean (SD)) | 162.49 (8.36) |
Body surface area (mean (SD)) | 1.93 (0.33) | Body Surface Area (mean (SD)) | 2.00 (0.31) | Body surface area (mean (SD)) | 1.92 (0.29) | Body surface area (mean (SD)) | 1.63 (0.19) |
Vascular leak index (median [IQR]) | -2.79 [-5.24, -1.46] | Vascular leak index (median [IQR]) | -1.22 [-2.35, -0.35] | Vascular leak index (median [IQR]) | -1.94 [-3.48, -0.79] | Vascular leak index (median [IQR]) | -0.80 [-5.21, 1.13] |
Apache IV Score (mean (SD)) | 73.74 (25.93) | Oasis Score (mean (SD)) | 36.55 (8.29) | Apache II Score (mean (SD)) | 21.18 (6.61) | Apache II Score (mean (SD)) | 26.16 (8.90) |
Charlson Comorbidity Index (mean (SD)) | 4.25 (2.88) | Elixhauser Comorbidity Score (mean (SD)) | 10.60 (8.26) | ||||
First hematocrit 18 h (mean (SD)) | 35.82 (6.82) | First hematocrit 18 h (mean (SD)) | 33.44 (6.58) | First hematocrit 18 h (mean (SD)) | 37 (7) | First hematocrit 18 h (mean (SD)) | 30.43 (7.24) |
Average hematocrit 18–36 h (mean (SD)) | 31.08 (5.49) | Average hematocrit 18–36 h (mean (SD)) | 30.08 (4.32) | Average hematocrit 18–36 h (mean (SD)) | 33 (6) | Average hematocrit 18–36 h (mean (SD)) | 29.23 (4.86) |
Hospital mortality (%) | 293 (13.3) | Hospital mortality (%) | 529 (15.0) | Hospital mortality (%) | 155 (12.0) | Hospital mortality (%) | 24 (18.6) |
Total fluid balance first 36 h (mean (SD)) | 3302.50 (3977.82) | Total fluid balance first 36 h (mean (SD)) | 7049.42 (6213.95) | Total fluid balance first 36 h (mean (SD)) | 4008.54 (2625.10) | Total fluid balance first 36 h (mean (SD)) | 1524.30 (1440.73) |
Total fluid balance 36–84 h (mean (SD)) | 768.82 (2676.75) | Total FLUID BALANCE 36–84 h (mean (SD)) | 1375.12 (3647.28) | Total fluid balance 36–84 h (mean (SD)) | 1973.01 (2626.22) | Total fluid balance 36–84 h (mean (SD)) | 1026.19 (2192.98) |