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Table 4 Laboratory parameters and clinical characteristics of the mild and severe COVID-19 patients

From: Decreased level of serum NT-proCNP associates with disease severity in COVID-19

Characteristics

Mild COVID-19 (n = 20)

Severe COVID-19 (n = 12)

p value

Clinical characteristics

 Dyspnoea n (%)

8 (40)

11 (92)

< 0.01

 O2 supply L/min (IQR)

0 (0)

13.5 (9)

< 0.01

 GCS on admission (SD)

15 (0)

14 (3.46)

0.19

 Fever n (%)

15 (75)

10 (83)

0.68

Laboratory parameters

 Leukocytes 103/µL (IQR)

4.1 (2.6)

7.2 (5.8)

0.02

 Platelets 103/µL (IQR)

180 (61)

195 (132)

0.24

 Haemoglobin g/dL (IQR)

12.9 (2.3)

11.1 (2.5)

0.03

 CRP mg/L (IQR)

15.5 (56)

160 (162)

< 0.01

 PCT ng/mL (IQR)

0.07 (0.06)

0.38 (1.1)

< 0.01

 IL-6 pg/mL (IQR)

13.8 (37.3)

104 (829.6)

< 0.01

 GOT U/L (IQR)

37.5 (39.5)

44 (15)

0.47

 GPT U/L (IQR)

31 (18)

26 (21)

0.45

 GGT U/L (IQR)

44 (62)

95 (95)

0.03

 LDH U/L (IQR)

260 (173)

454 (158)

< 0.01

 Bilirubin mg/dL (IQR)

0.4 (0.3)

0.4 (0.3)

0.56

 Creatinine mg/dL (IQR)

0.92 (0.45)

1.01 (0.73)

0.31

 Ca2+ mmol/L (SD)

1.17 (0.06)

1.15 (0.09)

0.54

 Na+ mmol/L (SD)

137 (3.8)

139 (5.3)

0.14

 K+ mmol/L (SD)

4.16 (0.73)

4.26 (0.56)

0.68

 CK U/L (IQR)

72 (123)

60.5 (72.5)

0.25

 Troponin T ng/L (IQR)

6.4 (5)

12.9 (23.8)

< 0.01

 NT-proBNP pg/mL (IQR)

106 (312)

597 (1310)

< 0.01

 Myoglobin ng/mL (IQR)

64 (33)

89 (50)

0.14

 D-dimer mg/L (IQR)

1.17 (1.4)

1.1 (2.1)

0.67

 vWF activity % (IQR)

240 (99)

393 (82)

0.06

 vWF antigen % (IQR)

277 (143)

414 (3)

0.01

 Fibrinogen mg/dL (IQR)

303 (119)

688 (234)

< 0.01

CNP and furin measurements

 NT-proCNP pmol/L (IQR)

18.8 (11.4)

6.1 (6.6)

< 0.01

 Furin pg/mL (IQR)

10 (54)

26 (134)

0.69

  1. Bold font indicates statistical significance
  2. Continuous variables were described using mean and standard deviation (SD) for symmetric, and median and interquartile range (IQR) for asymmetric distributions. p values are from two-sample t test (SD), Wilcoxon’s rank-sum test (IQR) or Fisher’s exact test (categorical variables)
  3. CK creatine kinase, CRP C-reactive protein, COVID-19 coronavirus disease 2019, GGT gamma-glutamyltransferase, GOT glutamic oxaloacetic transaminase, GPT glutamic pyruvic transaminase, IL-6 interleukin 6, IQR interquartile range, LDH lactate dehydrogenase, NT-proBNP amino terminal pro-brain natriuretic peptide, NT-proCNP amino terminal pro-C-type natriuretic peptide, PCT procalcitonin, vWF von Willebrand factor