TABLE 2

Laboratory findings in Patients with COVID-19 Pneumonia#

CharacteristicTotal (n=179)Deceased (n=21)Survivors (n=158)p value
White blood cell counts,×109/L5.3 (3.9‒7.8)8.9 (4.8‒13.1)5.1 (3.8‒7.3)0.003
Neutrophils,×109/L4.0 (2.7‒6.6)7.7 (3.0‒11.5)3.9 (2.6‒6.1)0.007
Lymphocytes,×109/L0.8 (0.6‒1.1)0.7 (0.5‒0.8)0.8 (0.6‒1.1)0.046
T cell subsets
 CD3+CD4+ T cells, cell·μL−1114.3 (62.9‒195.3)68.0 (55.1‒148.8)128.3 (73.5‒201.7)0.066
 CD3+CD8+ T cells, cell·μL−175.5 (45.5‒125.0)47.9 (25.4‒73.8)104.5 (58.5‒142.7)0.001
C-reactive protein, mg·L−139.8 (20.6‒97.8)86.4 (37.9‒105.5)36.0 (19.3‒91.0)0.012
Procalcitonin, ng·mL−10.1 (0.0‒0.2)0.1 (0.1‒0.5)0.1 (0.0‒0.2)0.013
Cardiac troponin I, ng·mL−10.0 (0.0‒0.1)0.1 (0.0‒0.8)0.0 (0.0‒0.0)<0.001
Myoglobin, ng·mL−136.9 (18.4‒124.0)162.0 (48.5‒342.8)32.3 (15.5‒60.3)<0.001
Brain natriuretic peptide, pg·mL−1645.0 (110.0‒1504.0)970.0 (620.5–3531.0)390.0 (58.0–1118.5)0.004
Albumin, g·L−133.2 (30.7‒36.4)33.2 (31.2‒35.6)33.0 (30.6‒38.1)0.764
Total bilirubin, μmol·L−18.9 (6.6‒12.5)9.6 (8.3‒16.3)8.7 (6.5‒12.3)0.146
Direct bilirubin, μmol·L−12.5 (1.8‒3.9)3.1 (2.3‒6.1)2.4 (1.8‒3.8)0.101
Alanine aminotransferase, U·L−122.0 (15.0‒40.0)27.0 (20.0‒37.0)22.0 (14.0‒40.5)0.233
Aspartate aminotransferase, U·L−130.0 (19.0‒43.0)40.0 (27.0‒61.5)27.5 (19.0‒42.0)0.010
γ-Glutamyltranspeptidase, U·L−129.0 (17.0‒52.5)23.0 (16.5‒42.0)29.0 (17.0‒54.5)0.518
Creatinine, μmol·L−166.5 (55.8‒82.0)95.0 (63.0‒112.0)65.0 (55.0‒80.0)0.001
D-dimer, mg·L−10.5 (0.3‒1.7)1.1 (0.4‒10.5)0.5 (0.3‒1.2)0.011
Prothrombin time, s13.7 (12.4‒15.4)13.9 (12.3‒16.3)13.7 (12.4‒15.2)0.758
Activated partial thromboplastin time, s35.6 (31.0‒39.4)37.8 (30.8‒41.5)35.3 (30.9‒39.1)0.383
PaO2, mmHg72.0 (57.0‒ 88.0)56.0 (49.0 ‒71.0)74.5 (59.0‒92.0)0.001
PaCO2, mmHg37.0 (33.0‒ 41.0)34.0 (29.0‒41.0)37.0 (34.0‒41.0)0.068
PaO2:FIO2, mmHg249.6±106.1185.5±64.8261.5±108.20.002

PaO2: arterial partial pressure of oxygen; PaCO2: arterial partial pressure of carbon dioxide; FIO2: fraction of inspiration O2.

#Data are reported as median interquartile (IQR).