Table 3 Severity of Illness and outcomes of COVID-19 patients and controls.

From: Cytokine signatures of end organ injury in COVID-19

Clinical status

Controls

N = 51

COVID-19

N = 90

p-value

Initial respiratory status

Highest level of supplemental oxygen in the first 3 h

  

0.2

HFNC/NRB/NIV mechanical ventilation

2 (3.9%)

8 (8.9%)

 

Mechanical ventilation

2 (3.9%)

4 (4.4%)

 

Nasal cannula

11 (22%)

30 (33%)

 

None

36 (71%)

48 (53%)

 

CXR results at admission

  

< 0.001

Bilateral infiltrates

6 (13%)

58 (64%)

 

Clear

26 (58%)

10 (11%)

 

Pleural effusion

0 (0%)

4 (4.4%)

 

Unilateral infiltrates

6 (13%)

0 (0%)

 

Day 1 severity of illness (median, IQR)

SOFA score

1.0 (0.0, 3.0)

2.0 (1.0, 5.0)

0.001

Complications and clinical outcomes

Thromboembolic event

2 (3.9%)

11 (12%)

0.13

Respiratory co-infection

16 (31%)

20 (22%)

0.3

Acute respiratory distress syndrome (ARDS) requiring intubation

0 (0%)

36 (40%)

< 0.001

Acute kidney injury (AKI) stagea

  

< 0.001

0

48 (94%)

49 (60%)

 

1

2 (3.9%)

11 (14%)

 

2

1 (2.0%)

5 (6.2%)

 

3

0 (0%)

16 (20%)

 

In-hospital mortality

5 (9.8%)

19 (21%)

0.14

  1. AKI was defined according to KDIGO guidelines21.
  2. ARDS was defined according to the Berlin Definition22.
  3. HFNC High-flow nasal cannula, NRB non-rebreather mask, NIV non-invasive, CXR chest X-ray, SOFA sequential organ failure assessment.
  4. aPatients with end stage renal disease who were on dialysis prior to admission were excluded.