From: Integrative analysis of metabolomics and proteomics reveals amino acid metabolism disorder in sepsis
 | Derivation group | Validation group | P value |
---|---|---|---|
n | 42 | 21 | Â |
Male (%) | 26 (61.9%) | 14 (66.7%) | 0.926 |
Age (years) | 71.5 [61.0, 78.0] | 70.00 [63.0, 79.0] | 0.743 |
Laboratory data | |||
 Mean arterial pressure (mm Hg) | 79.7 [74.0, 89.0] | 76.3 [62.7, 90.7] | 0.635 |
 White blood cell count (109/L) | 14.3 [10.1, 21.1] | 14.00 [9.4, 23.5] | 0.931 |
 Haemoglobin (g/L) | 119.0 [101.5, 129.5] | 103.0 [87.0, 118.0] | 0.027 |
 Haematocrit (%) | 35.8 [31.5, 38.8] | 31.6 [27.0, 37.4] | 0.084 |
 Platelet count (109/L) | 136.0 [60.7, 209.5] | 118.0 [71.0, 202.0] | 0.849 |
 Albumin (g/dL) | 27.0 [24.4, 30.9] | 24.90 [23.2, 28.0] | 0.251 |
 Aspartate aminotransferase (U/L) | 45.0 [21.2, 89.5] | 33.0 [15.0, 127.0] | 1.000 |
 Alanine aminotransferase (U/L) | 29.5 [14.5, 61.5] | 25.0 [17.0, 74.0] | 0.905 |
 Total bilirubin (μmol/L) | 16.5 [9.0, 25.1] | 11.1 [8.4, 20.4] | 0.424 |
 Creatinine (μmol/L) | 133.0 [98.7, 226.0] | 163.0 [104.0, 229.0] | 0.553 |
 INR | 1.2 [1.1, 1.3] | 1.2 [1.1, 1.4] | 0.951 |
Infection | 0.661 | ||
 Gram-positive bacteria (%) | 4 (9.5%) | 4 (19.0%) |  |
 Gram-negative bacteria (%) | 18 (42.9%) | 7 (33.3%) |  |
 Viral (%) | 1 (2.4%) | 0 (0.0%) |  |
 Other (%) | 19 (45.2%) | 10 (47.7%) |  |
 CRRT | 8 (13.6%) | NA | NA |
Vasopressors | 0.124 | ||
 0 (%) | 18 (42.9%) | 6 (28.6%) |  |
 1 (%) | 20 (47.6%) | 15 (71.4%) |  |
 NA (%) | 4 (9.5%) | 0 (0.0%) |  |
Mechanical ventilation | 0.190 | ||
 0 (%) | 21 (50.0%) | 12 (57.1%) |  |
 1 (%) | 15 (35.7%) | 9 (42.9%) |  |
 NA (%) | 6 (14.3%) | 0 (0.0%) |  |
Severity at time of admission to ICU | |||
 SOFA | 6.0 [4.0, 9.0] | 8.0 [6.0, 10.0] | 0.115 |
 APACHE II | 19.0 [10.2, 22.7] | 22.0 [18.0, 25.0] | 0.074 |
Mortality | |||
 28-day | 6 (14.3%) | 3 (14.3%) | 1 |
 90-day | 6 (14.3%) | 3 (14.3%) | 1 |