Table 1: Socio-demographic and clinical characteristics.

Variables

Total

N = 112

n (%)

With

ICU stay

N = 80

n (%)

Without

ICU stay

N = 32

n (%)

p

Age (years)*

51.46 ± 15.94

47.96 ± 15.38

60.22 ± 14.02

0.000

Gender

Male

Female

43 (38.4)

69 (61.6)

30 (37.5)

50 (62.5)

13 (40.6)

19 (59.4)

0.759

Socioeconomic stratum

Very low

Low

Lower middle

Upper middle

High

11 (9.8)

31 (27.7)

50 (44.6)

16 (14.3)

4 (3.6)

10 (12.5)

24 (30.0)

33 (41.3)

11 (13.8)

2 (2.5)

1 (3.1)

7 (21.9)

17 (53.1)

5 (15.6)

2 (6.3)

0.371

Comorbidities

Yes

No

31 (27.7)

81 (72.3)

20 (12.5)

60 (87.5)

11 (34.4)

21 (65.6)

0.019

Diagnosed disease

Arterial hypertension

Cardiovascular disease

Pulmonary disease

Hypothyroidism

Number of days hospitalized*

31 (100.0)

9 (29.0)

9 (29.0)

3 (9.67)

19.12 ± 10.02

20 (100.0)

8 (40.0)

7 (35.0)

2 (10.0)

21.11 ± 9.87

11 (100.0)

1 (9.1)

2 (18.1)

1 (9.1)

1,322 ± 8.05

0.316

0.227

0.660

0.853

0.000

ICU stay

Yes

No

80 (71.4)

32 (28.6)

80 (100.0)

32 (100.0)

0.000

Required IMV

Yes

No

53 (47.3)

59 (52.7)

52 (65.0)

28 (35.0)

32 (100.0)

0.000

Required supplemental oxygen after discharge from the hospital

Yes

No

72 (64.3)

40 (35.7)

61 (76.3)

19 (23.7)

11 (34.4)

21 (65.6)

0.280

Persistent symptoms

Myalgias

Headache

Difficulty falling asleep

Cough

Fatigue

Odynophagia

Ageusia

Anosmia

Choking

Fever

Lumbar pain

Tinnitus

51 (45.5)

45 (40.2)

44 (39.3)

39 (34.8)

11 (9.8)

10 (8.9)

9 (8.0)

5 (4.5)

4 (3.6)

3 (2.7)

3 (2.7)

1 (0.9)

39 (48.8)

35 (43.8)

35 (43.8)

28 (35.0)

8 (10.0)

8 (10.0)

5 (6.3)

2 (2.5)

3 (3.8)

2 (2.5)

1 (1.3)

12 (37.5)

10 (31.3)

9 (28.1)

11 (34.4)

3 (9.4)

2 (6.3)

4 (12.5)

3 (9.4)

1 (3.1)

3 (9.4)

1 (3.1)

0.223

0.126

0.950

0.920

0.507

0.272

0.111

0.872

0.006

0.853

0.525

Risk factors

Overweight/obesity

Cigarette smoking

Alcohol consumption

Sedentary lifestyle

47 (42.0)

13 (11.6)

10 (8.9)

68 (60.7)

34 (42.5)

11 (13.8)

9 (11.3)

47 (58.8)

13 (40.6)

2 (6.3)

1 (3.1)

21 (65.6)

0.856

0.263

0.173

0.501

ICU = Intensive Care Unit.

IMV = invasive mechanical ventilation.

* Values expressed as mean ± standard deviation.