Table 1 Baseline characteristics and mortality according to the tertiles of the CRP (n = 3545).
Parameters | CRP, mg/L | P value | ||
|---|---|---|---|---|
Tertile 1 0.50–5.50 n = 1181 | Tertile 2 5.60–14.90 n = 1176 | Tertile 3 15.00–68.40 n = 1188 | ||
Continuous | ||||
Age, y | 60.99 ± 17.18 | 64.52 ± 15.89 | 65.59 ± 15.14 | < 0.001 |
D-Dimer, mg/L | 1.00 (0.47–2.33) | 1.40 (0.73–3.23) | 2.51 (1.19–6.80) | < 0.001 |
Temperature, °C | 37.14 ± 0.90 | 37.40 ± 0.90 | 37.49 ± 0.95 | < 0.001 |
Oxygen saturation, % | 95.43 ± 4.94 | 92.61 ± 7.00 | 89.56 ± 10.09 | < 0.001 |
LOS, month | 6.64 ± 6.25 | 8.45 ± 7.27 | 9.14 ± 7.67 | < 0.001 |
Mean arterial pressure, mm Hg | 84.87 ± 22.71 | 83.77 ± 20.92 | 78.50 ± 24.08 | < 0.001 |
Platelets, k/mm3 | 232.19 ± 103.52 | 224.23 ± 89.94 | 236.00 ± 95.53 | 0.011 |
INR | 1.06 ± 0.37 | 1.09 ± 0.33 | 1.16 ± 0.35 | < 0.001 |
BUN, mg/dL | 15.00 (10.00–28.00) | 17.00 (10.00–32.00) | 19.00 (11.00–39.00) | < 0.001 |
Creatinine, μmol/L | 1.00 (0.77–1.53) | 1.10 (0.81–1.78) | 1.26 (0.90–2.25) | < 0.001 |
Sodium, mmol/L | 138.27 ± 7.25 | 137.83 ± 7.87 | 137.98 ± 7.81 | 0.380 |
Glucose, mmol/L | 113.00 (0.00–153.25) | 118.00 (0.00–162.00) | 121.00 (0.00–173.00) | 0.281 |
AST, U/L | 31.00 (22.00–48.00) | 41.00 (28.00–63.00) | 51.00 (34.00–77.00) | < 0.001 |
WBC count per mm3 | 7.30 ± 3.49 | 7.84 ± 3.63 | 9.77 ± 4.20 | < 0.001 |
ALT, U/L | 23.00 (15.00–37.00) | 27.00 (18.00–42.75) | 30.00 (19.00–47.00) | < 0.001 |
Lymphocytes per mm3 | 1.20 (0.80–1.60) | 0.90 (0.70–1.30) | 0.90 (0.60–1.20) | < 0.001 |
Interleukin-6, pg/mL | 0.00 (0.00–15.90) | 6.40 (0.00–40.70) | 13.70 (0.00–75.10) | < 0.001 |
Ferritin, μg/L | 308.50 (66.75–759.50) | 652.00 (229.50–1416.50) | 946.00 (440.00–1930.25) | < 0.001 |
Procalcitonin, ng/mL | 0.10 (0.00–0.10) | 0.10 (0.00–0.30) | 0.30 (0.10–1.40) | < 0.001 |
Troponin, ng/mL | 0.01 (0.01–0.01) | 0.01 (0.01–0.02) | 0.01 (0.01–0.04) | < 0.001 |
Categorical | ||||
Black | 423 (35.82%) | 462 (39.29%) | 418 (35.19%) | 0.084 |
White | 125 (10.58%) | 112 (9.52%) | 106 (8.92%) | 0.383 |
Asian | 30 (2.54%) | 25 (2.13%) | 36 (3.03%) | 0.379 |
Latino | 445 (37.68%) | 423 (35.97%) | 467 (39.31%) | 0.245 |
Myocardial infarction | 34 (2.88%) | 58 (4.93%) | 59 (4.97%) | 0.016 |
Peripheral vascular disease | 198 (16.77%) | 172 (14.63%) | 149 (12.54%) | 0.005 |
Congestive heart failure | 108 (9.14%) | 155 (13.18%) | 132 (11.11%) | 0.008 |
Cerebrovascular disease | 107 (9.06%) | 143 (12.16%) | 120 (10.10%) | 0.043 |
Dementia | 81 (6.86%) | 98 (8.33%) | 84 (7.07%) | 0.336 |
Chronic obstructive pulmonary disease | 65 (5.50%) | 74 (6.29%) | 76 (6.40%) | 0.610 |
Diabetes mellitus simple | 158 (13.38%) | 188 (15.99%) | 170 (14.31%) | 0.191 |
Renal disease | 192 (16.26%) | 236 (20.07%) | 209 (17.59%) | 0.050 |
Stroke | 16 (1.35%) | 11 (0.94%) | 18 (1.52%) | 0.430 |
Mortality | ||||
No | 1040 (88.06%) | 890 (75.68%) | 697 (58.67%) | < 0.001 |
Yes | 141 (11.94%) | 286 (24.32%) | 491 (41.33%) | |
