Table 1 Demographic, clinical, and laboratory characteristics of the patients

Age, years

36 [21-77]

54.5 [20-88]

0.001*

Sex, male

51 (51.5)

12 (70.6)

0.15

Smoking

6 (6.1)

4 (23.5)

0.018*

• Fever

85 (85.9)

16 (94.1)

0.35

• Fatigue

22 (22.2)

5 (29.4)

0.52

• Bone ache

17 (17.2)

4 (23.5)

0.53

• Anosmia

55 (55.6)

4 (23.5)

0.015*

• Nausea or vomiting

3 (3)

1 (5.9)

0.55

• Diarrhea

5 (5.1)

2 (11.8)

0.28

• Abdominal pain

9 (9.1)

3 (17.6)

0.29

• Sore throat

9 (9.1)

3 (17.6)

0.29

• Cough

72 (72.7)

12 (70.6)

0.86

• Dyspnea

4 (4)

10 (58.8)

< 0.0001*

• Chest tightness

5 (5.1)

7 (41.7)

< 0.0001*

• Diabetes

8 (8.1)

5 (29.4)

0.01*

• Hypertension

12 (12.1)

6 (35.3)

0.015*

• Coronary heart disease

2 (2)

3 (17.6)

0.003*

• Chest diseases

5 (5.1)

4 (23.5)

0.009*

• Thyroid diseases

0 (0)

1 (5.9)

0.015*

• Respiratory rate, breaths/min

22 [20-23]

23 [21-30]

< 0.0001*

• Oxygen saturation, %

95 [94-97]

87 [72-94]

< 0.0001*

• Mortality

0 (0)

8 (47.1)

< 0.0001*

• IL-6, pg/mL

14.5 [6.8-47.5]

55.9 [20.5-123.5]

< 0.0001*

• CRP, mg/L

20.5 [6-73]

46 [18.5-183]

< 0.0001*

• Albumin, g/dL

4 [3-5.3]

3.5 [2.8-5]

0.024*

• CRP/albumin ratio

5.1 [1.6-18.7]

14.1 [5.8-48.2]

< 0.0001*