GFR (ml/min/1.73m²)

p

Total

≥60

<60

n = 482

n = 430

n = 52

Age

<0.001

<65 years

406 (84%)

375 (87%)

31 (60%)

≥65 years

76 (16%)

55 (13%)

21 (40%)

Gender

0.12

Female

167 (35%)

144 (33%)

23 (44%)

Male

315 (65%)

286 (67%)

29 (56%)

Marital status

0.11

Married

263 (73%)

236 (73%)

27 (71%)

Divorced

17 (4.7%)

13 (4%)

4 (11%)

Widower

16 (4.4%)

13 (4%)

3 (7.9%)

Single

65 (18%)

61 (19%)

4 (11%)

Level of education

0.027

Not in school

27 (8.3%)

20 (6.8%)

7 (23%)

Primary

76 (23.2%)

72 (24%)

4 (13%)

Secondary

59 (18%)

55 (19%)

4 (13%)

University

165 (50.5%)

149 (50%)

16 (52%)

Comorbidities

High blood pressure

132 (27%)

103 (24%)

29 (56%)

<0.001

Diabetes

90 (19%)

72 (17%)

18 (35%)

0.002

Asthma

13 (2.7%)

11 (2.6%)

2 (3.8%)

0.6

HIV infection

17 (3.5%)

15 (3.5%)

2 (3.8%)

0.7

Obesity

32 (6.6%)

26 (6%)

6 (12%)

0.14

Fever

140 (29%)

120 (28%)

20 (38%)

0.11

Rhinitis

31 (6.4%)

30 (7%)

1 (1.9%)

0.2

Pharyngitis

6 (1.2%)

6 (1.4%)

0 (0%)

>0.9

Dyspnea

133 (28%)

100 (23%)

33 (63%)

<0.001

Cough

164 (34%)

142 (33%)

22 (42%)

0.2

Arthralgia

22 (4.6%)

20 (4.7%)

2 (3.8%)

>0.9

Headaches

94 (20%)

88 (20%)

6 (12%)

0.12

Anosmia

25 (5.2%)

23 (5.3%)

2 (3.8%)

>0.9

Agueusia

21 (4.4%)

20 (4.7%)

1 (1.9%)

0.7

Abdominal pain

12 (2.5%)

8 (1.9%)

4 (7.7%)

0.031

Diarrhea

15 (3.1%)

12 (2.8%)

3 (5.8%)

0.2

Vomiting

17 (3.5%)

11 (2.6%)

6 (12%)

0.006

Asthenia

79 (16%)

63 (15%)

16 (31%)

0.003

Obesity

75 (31%)

65 (31%)

10 (33%)

0.8

Respiratory rate > 30 cycle/min

89 (18%)

58 (13%)

31 (60%)

<0.001

Pulse room air saturation < 92%

71 (22%)

50 (18%)

21 (44%)

<0.001

Signs of respiratory struggle

22 (4.6%)

15 (3.5%)

7 (13%)

0.005

Severity at the entrance

<0.001

Asymptomatic

150 (31%)

149 (35%)

1 (1.9%)

Mild

169 (35%)

159 (37%)

10 (19%)

Moderate

75 (16%)

65 (15%)

10 (19%)

Severe

70 (15%)

49 (11%)

21 (40%)

Critical

18 (3.7%)

8 (1.9%)

19 (19%)