Table 1 Baseline characteristics of continuous variables (Pre matching).
Variable | Septic shock of non-urinary tract origin (n = 721) | Septic shock of urinary tract origin (n = 374) | p value |
|---|---|---|---|
Age (years) | 92.03 [2.52] | 91.63 [2.77] | 0.306 |
Glasgow coma scale score | 15 [1] | 15 [1] | 0.940 |
APACHE III score | 79 [25] | 76 [24] | 0.001 |
SOFA score | 6 [4] | 5 [4] | 0.010 |
Survival days | 22.96 [362.45] | 71.32 [636.00] | < 0.001* |
Lactate (mmol/L) | 2 [2.3] | 2 [2] | 0.971 |
Maximum PaO₂ (mmHg) | 74 [25] | 77 [34] | 0.001 |
Maximum PaCO₂ (mmHg) | 34 [10] | 34 [9] | 0.184 |
Maximum arterial pH | 7.37 [0.12] | 7.39 [0.09] | 0.002 |
Maximum sodium (mmol/L) | 136 [6] | 136 [5] | 0.910 |
Maximum creatinine (μmol/L) | 151 [102] | 153.5 [100.5] | 0.380 |
Maximum hematocrit | 0.32 [0.07] | 0.31 [0.06] | 0.011 |
Maximum white blood cell count (× 10⁹/L) | 15 [13.8] | 17.75 [15.38] | < 0.001* |
Maximum urea (mmol/L) | 14.1 [9.9] | 12.7 [8.15] | 0.005 |
Urine output (mL/day) | 1015 [1054.5] | 1271 [1008.25] | < 0.001* |
Maximum albumin (g/L) | 26 [7] | 26 [6] | 0.478 |
Maximum bilirubin (μmol/L) | 16 [20] | 13 [13] | < 0.001* |
Maximum glucose (mmol/L) | 6.5 [5.4] | 7.65 [5.43] | 0.568 |
Maximum temperature (°C) | 37 [1] | 37.20 [1.10] | < 0.001* |
Minimum temperature (°C) | 36 [0.90] | 36.1 [0.88] | 0.006 |
Maximum heart rate (bpm) | 98 [31.5] | 96 [27] | 0.644 |
Minimum heart rate (bpm) | 68 [17] | 68 [15] | 0.503 |
Maximum respiratory rate (breaths/min) | 27 [8] | 27 [7] | 0.157 |
Minimum respiratory rate (breaths/min) | 14 [5] | 14 [4] | 0.838 |
Maximum systolic blood pressure (mmHg) | 132 [25] | 133 [21] | 0.161 |
Minimum systolic blood pressure (mmHg) | 85 [16.25] | 85 [15] | 0.990 |
Maximum diastolic blood pressure (mmHg) | 63 [16] | 64 [17.25] | 0.149 |
Minimum diastolic blood pressure (mmHg) | 45.5 [12] | 45 [10] | 0.043 |
Maximum mean arterial pressure (mmHg) | 87 [15] | 87 [15] | 0.174 |
Minimum mean arterial pressure (mmHg) | 59 [11] | 58 [10] | 0.569 |
Maximum sodium (mmol/L) | 4.4 [0.80] | 4.4 [0.7] | 0.579 |
Minimum sodium (mmol/L) | 4 [0.8] | 4 [0.8] | 0.662 |
Maximum potassium (mmol/L) | 21 [5.05] | 21.2 [6] | 0.971 |
Minimum potassium (mmol/L) | 19 [5.58] | 19 [6] | 0.643 |
Maximum bicarbonate (mmol/L) | 136 [90.25] | 139 [92] | 0.730 |
Minimum bicarbonate (mmol/L) | 0.33 [0.07] | 0.33 [0.07] | 0.564 |
Maximum creatinine (μmol/L) | 0.32 [0.07] | 0.31 [0.06] | 0.381 |
Minimum creatinine (μmol/L) | 11 [2.7] | 10.7 [2.3] | 0.178 |
Maximum hematocrit | 10.3 [2.6] | 10.1 [2.3] | 0.020 |
Minimum hematocrit | 12.2 [10.64] | 13.6 [12.7] | 0.024 |
Maximum hemoglobin (g/dL) | 164.5 [112] | 165 [97] | 0.023 |
Minimum hemoglobin (g/dL) | 151.5 [106] | 152 [92.25] | 0.138 |
Maximum WCC (× 10⁹/L) | 8.15 [3.8] | 8.5 [3.98] | < 0.001* |
Minimum WCC (× 10⁹/L) | 5.9 [2.3] | 5.8 [2.3] | < 0.001* |
Maximum platelets (× 10⁹/L) | 92.03 [2.52] | 91.63 [2.77] | 0.886 |
Minimum platelets (× 10⁹/L) | 14 [6] | 14 [5] | 0.760 |
Maximum glucose (mmol/L) | 228.41 [308.60] | 226.13 [283.72] | 0.430 |
Minimum glucose (mmol/L) | 60.62 [61.78] | 55.16 [49.93] | 0.357 |