Table 3.
Laboratory examination results at RICU admission.
| Variable | Oxygenation index >250 mmHg (n = 54) | Oxygenation index ≤250 mmHg (n = 76) | Z value | p value |
|---|---|---|---|---|
| Immunophenotyping | ||||
| CD4 | 462.79 ± 171.08 (28) | 421.08 ± 123.61 (65) | 1.324 | 0.189 |
| CD8 | 259.79 ± 98.31 (28) | 259.49 ± 107.88 (65) | 0.012 | 0.990 |
| CD3 | 809.93 ± 239.67 (28) | 764.83 ± 201.67 (64) | 0.931 | 0.354 |
|
| ||||
| Arterial blood gas | ||||
| pH | 7.44 ± 0.45(50) | 7.41 ± 0.09 (76) | 1.850 | 0.067 |
| PaCO2 (mmHg) | 38.56 ± 7.05(50) | 41.66 ± 17.25 (76) | −1.206 | 0.230 |
| Lac | 1.47 ± 0.80(50) | 1.88 ± 1.39 (76) | −1.880 | 0.063 |
|
| ||||
| Blood cell analysis | ||||
| WBC (109/L) | 8.09 ± 4.16 (53) | 10.71 ± 6.10 (76) | −2.717 | 0.008 |
| Neutrophils (109/L) | 6.09 ± 3.83 (53) | 9.31 ± 5.71 (76) | −3.581 | ≤0.001 |
| Lymphocyte (109/L) | 1.28 ± 0.80 (53) | 0.86 ± 0.53 (76) | 3.555 | 0.001 |
| Hematocrit (%) | 0.37 ± 0.07 (53) | 0.37 ± 0.08 (76) | −0.277 | 0.782 |
| Hemoglobin (g/L) | 122.60 ± 21.85 (53) | 121.04 ± 27.05 (76) | 0.349 | 0.728 |
| Platelet (109/L) | 199.74 ± 74.08 (53) | 199.16 ± 105.09 (76) | 0.034 | 0.973 |
| Erythrocyte (1012/L) | 4.07 ± 0.78 (53) | 4.10 ± 0.94 (76) | −0.142 | 0.888 |
| Neutrophils/Lymphocyte (%) | 9.32 ± 16.40 (51) | 15.13 ± 15.98 (76) | −1.989 | 0.049 |
|
| ||||
| Biochemical analysis | ||||
| Albumin (g/L) | 35.80 ± 7.70 (51) | 30.38 ± 4.53 (75) | 4.962 | ≤0.001 |
| BUN (mmol/L) | 6.79 ± 5.08 (52) | 19.66 ± 59.82 (76) | −1.545 | 0.125 |
| Creatinine (µmol/L) | 87.43 ± 96.15 (52) | 123.60 ± 102.80 (76) | −2.007 | 0.047 |
| LDH (IU/L) | 375.90 ± 178.88 (51) | 542.54 ± 716.54 (76) | −1.625 | 0.107 |
| Total bilirubin (µmol/L) | 12.17 ± 5.63 (51) | 12.45 ± 10.06 (75) | −0.184 | 0.854 |
|
| ||||
| Coagulation analysis | ||||
| PT (s) | 12.61 ± 4.10 (52) | 12.85 ± 2.48 (76) | −0.405 | 0.686 |
| APTT(s) | 29.97 ± 5.91(52) | 30.67 ± 7.01(76) | −0.587 | 0.558 |
| FiB (g/L) | 4.54 ± 1.60 (52) | 5.35 ± 4.69 (76) | −1.194 | 0.235 |
| D-dimer | 1.31 ± 1.91(52) | 5.66 ± 8.68 (76) | −3.549 | 0.001 |
|
| ||||
| Inflammatory biomarkers | ||||
| Procalcitonin (ng/mL) | 0.61 ± 1.60 (48) | 6.98 ± 20.91 (71) | −2.105 | 0.037 |
| CRP (ng/L) | 59.83 ± 64.33 (51) | 113.59 ± 96.67 (76) | −3.487 | 0.001 |
| OSM (pg/mg) | 54.85 ± 58.64 (53) | 80.32 ± 110.43 (74) | −1.530 | 0.128 |
| RAGE (pg/ml) | 632.62 ± 469.73 (53) | 1034.26 ± 1068.24 | −2.563 | 0.012 |