Table 1 Demographics, comorbidities, and clinical data of 321 patients with COVID-19 stratified according to disease severity.

From: SARS-CoV-2 viral load in nasopharyngeal swabs is not an independent predictor of unfavorable outcome

 

Total cohort (n = 321)

Mild disease (n = 56)

Moderate disease (n = 180)

Severe disease (n = 85)

p valuec

Age in years, median (IQR)

63 (52–77)

48 (40–60)

62 (52–75)

75 (63–84)

< 0.001

Age ≥ 70 (%)

118 (36.8)

8 (14.3)

58 (32.2)

52 (61.2)

< 0.001

Male sex (%)

169 (52.6)

29 (51.8)

90 (50.0)

50 (58.8)

0.40

Chronic underlying diseases (%)

 Arterial hypertension

150 (46.7)

16 (28.6)

80 (44.4)

54 (63.5)

< 0.001

 Diabetes mellitus

57 (17.8)

6 (10.7)

35 (19.4)

16 (18.8)

0.31

 Chronic lung diseasea

38 (11.8)

3 (5.4)

26 (14.4)

9 (10.6)

0.17

 Cardiovascular disease

64 (19.9)

5 (8.9)

32 (17.8)

27 (31.8)

0.002

 Chronic kidney disease

22 (6.9)

2 (3.6)

13 (7.2)

7 (8.2)

0.54

 Chronic liver disease

10 (3.1)

1 (1.8)

6 (3.3)

3 (3.5)

0.82

 Cancerb

25 (7.8)

5 (8.9)

9 (5.0)

11 (12.9)

0.08

Symptoms (%)

 Fever

237 (73.8)

38 (67.9)

142 (78.9)

57 (67.1)

0.07

 Rhinorrhea

19 (5.9)

6 (10.7)

10 (5.6)

3 (3.5)

0.20

 Odynophagia

22 (6.9)

6 (10.7)

11 (6.1)

5 (5.9)

0.45

 Myalgias

70 (21.8)

13 (23.2)

37 (20.6)

20 (23.5)

0.83

 Headache

57 (17.8)

11 (19.6)

30 (16.7)

16 (18.8)

0.84

 Cough

216 (67.3)

40 (71.4)

128 (71.1)

48 (56.5)

0.04

 Expectoration

33 (10.3)

7 (12.5)

16 (8.9)

10 (11.8)

0.64

 Pleuritic chest pain

14 (4.4)

3 (5.4)

9 (5.0)

2 (2.4)

0.57

 Dyspnea

147 (45.8)

19 (33.9)

75 (41.7)

53 (62.4)

0.001

 Diarrhea

52 (16.2)

12 (21.4)

33 (18.3)

7 (8.2)

0.06

 Vomiting

20 (6.2)

1 (1.8)

16 (8.9)

3 (3.5)

0.08

Impaired consciousness

12 (3.7)

1 (1.8)

6 (3.3)

5 (5.9)

0.42

 Days from symptom onset to diagnosis, median (IQR)

7 (3–10)

7 (5–12)

6 (3–10)

6 (2–10)

0.35

 Infiltrate on chest X-ray (%)

224 (69.8)

9 (16.1)

140 (77.8)

75 (88.2)

< 0.001

Signs (categorized, %)

 Temperature > 37.5 °C

82 (26.9)

5 (11.1)

48 (27.0)

29 (35.4)

0.01

 SBP < 90 mmHg

7 (2.5)

1 (2.4)

4 (2.4)

2 (2.8)

0.99

 DBP < 60 mmHg

24 (8.6)

1 (2.4)

9 (5.5)

14 (19.4)

0.001

 Hart rate > 100 bpm

70 (21.8)

5 (8.9)

41 (22.8)

24 (28.2)

0.02

 Respiratory rate > 20 bpm

17 (20.0)

0 (0)

5 (10.6)

12 (35.3)

0.01

 SpO2 < 95%

127 (39.6)

4 (7.1)

52 (28.9)

71 (83.5)

< 0.001

  1. aChronic obstructive pulmonary disease, obstructive sleep apnea, or asthma.
  2. bActive solid or hematologic malignant neoplasms.
  3. cAcross all three groups.