From: Severe hyperlactatemia in the emergency department: clinical characteristics, etiology and mortality
Characteristic | Overall | Lactate < 2 mmol/L | Lactate 2—3.99 mmol/L | Lactate 4—9.99 mmol/L | Lactate ≥ 10 mmol/L | p-value |
---|---|---|---|---|---|---|
Complete blood count | N = 26,680 | n = 15,735 | n = 7,680 | n = 2,799 | n = 466 | |
Haemoglobin, g/dL | 11.1 (9.3—12.8) | 11.0 (9.2—12.6) | 11.4 (9.5—13.0) | 11.3 (9.3—13.2) | 11.1 (8.9—13.0) | < 0.01 |
Platelet count, 103/uL | 237 (172—314) | 241 (178—319) | 234 (168—310) | 223 (150—303) | 197 (118—292) | < 0.01 |
White blood cell count, 103/uL | 9.5 (6.8—13.3) | 9.0 (6.6—12.5) | 10.1 (7.2—14.2) | 10.6 (7.5—15.3) | 11.4 (7.8—17.0) | < 0.01 |
Blood Chemistry test | N = 26,342 | n = 15,505 | n = 7,592 | n = 2,781 | n = 464 | |
Creatinine, mg/dL | 1.01 (0.76—1.54) | 0.99 (0.74—1.55) | 1.00 (0.76—1.45) | 1.10 (0.81—1.70) | 1.35 (0.93—2.16) | < 0.01 |
HCO3-, mEq/L | 21.9 (19.3—24.3) | 22.5 (20.0—24.7) | 21.7 (19.3—24.1) | 19.4 (16.6—22.1) | 14.0 (10.2—18.8) | < 0.01 |
N = 21,180 | n = 11,893 | n = 6,323 | n = 2,521 | n = 443 | ||
Total bilirubin, mg/dL | 0.60 (0.40—1.10) | 0.50 (0.40—0.90) | 0.70 (0.40—1.40) | 0.80 (0.40—1.90) | 1.10 (0.50—3.50) | < 0.01 |
Cardiac marker | N = 5,738 | n = 3,257 | n = 1,597 | n = 766 | n = 188 | |
Troponin T, ng/L | 38 (15—96) | 36 (15—93) | 35 (14—88) | 47 (18—133) | 81 (27—231) | < 0.01 |