Table 1 Baseline characteristics of 7562 patients infected with COVID-19

Sex

Female

4171 (55.2)

30 (57.69)

3347 (44.72)

14 (56)

Male

3391 (44.8)

22 (42.31)

4138 (55.28)

11 (44)

Age (year)

Median age (range)

41 (0–99)

71 (40–96)

41 (0–99)

39 (0–83)

0–14

1359 (17.97)

0 (0)

1354 (18.09)

5 (20)

15–44

2980 (39.41)

1 (1.92)

2972 (39.71)

7 (28)

45–64

1769 (23.39)

6 (11.54)

1752 (23.41)

11 (44)

 ≥ 65

1454 (19.23)

45 (86.54)

1407 (18.80)

2 (8)

Height (cm)

 < 160

1928 (25.5)

12 (23.1)

1912 (25.5)

4 (16)

160–180

3728 (43.3)

34 (65.4)

3233 (43.2)

11 (44)

 ≥ 180

2356 (31.2)

6 (11.5)

2340 (31.3)

10 (40)

Weight (kg)

 ≤ 40

839 (11.1)

3 (5.8)

834 (11.1)

2 (8)

40–50

596 (7.9)

9 (17.3)

580 (7.7)

7 (28)

50–60

1002 (13.2)

11 (21.2)

985 (13.2)

6 (24)

60–70

2265 (30)

4 (7.7)

2260 (30.2)

1 (4)

70–80

1968 (26)

23 (44.2)

1941 (25.9)

4 (16)

 ≥ 80

892 (11.8)

2 (3.8)

885 (11.9)

5 (2)

Smoking history

No

6764 (89.4)

37 (71.15)

6707 (89.6)

20 (80)

Yes

680 (9)

15 (28.85)

660 (8.82)

5 (20)

Missing

118 (1.6)

0 (0)

118 (1.58)

0 (0)

Drinking history

No

6242 (82.4)

49 (94.2)

6169 (82.4)

24 (96)

Yes

57 (0.8)

2 (3.8)

54 (0.7)

1 (4)

Missing

1263 (16.8)

1 (2)

1262 (16.9)

0 (0)

Symptoms

Fever

No

3056 (40.4)

19 (36.54)

3018 (40.32)

19 (76)

Yes

2538 (33.6)

13 (25)

2523 (33.71)

2 (8)

Missing

1968 (26)

20 (38.46)

1944 (25.97)

4 (16)

Cough/expectoration

No

2405 (31.8)

14 (26.92)

2377 (31.76)

14 (56)

Yes

3189 (42.2)

18 (34.62)

3164 (42.27)

7 (28)

Missing

1968 (26)

20 (38.46)

1944 (25.97)

4 (16)

Sore throat

No

2967 (39.2)

23 (44.23)

2927 (39.10)

17 (68)

Yes

2627 (34.7)

9 (17.31)

2614 (34.92)

4 (16)

Missing

5594 (74)

20 (38.46)

1944 (25.97)

4 (16)

Dyspnea

No

5023 (66.4)

18 (34.62)

4984 (66.59)

21 (84)

Yes

571 (7.6)

14 (26.92)

557 (7.44)

0 (0)

Missing

1968 (26)

20 (38.46)

1944 (25.97)

4 (16)

Underlying conditions

Carcinoma

No

5453 (72.1)

28 (53.85)

5405 (72.21)

20 (80)

Yes

141 (1.9)

4 (7.69)

136 (1.82)

1 (4)

Missing

1968 (26)

20 (38.46)

1944 (25.97)

4 (16)

Diabetes

No

5201 (68.8)

27 (51.92

5153 (68.84)

21 (84)

Yes

393 (5.2)

5 (9.62)

388 (5.18)

0 (0)

Missing

1968 (26)

20 (38.46)

1944 (25.97)

4 (16)

Coronary heart disease

No

5132 (67.9)

25 (48.08)

5086 (67.95)

21 (84)

Yes

462 (6.1)

7 (13.46)

455 (6.08)

0 (0)

Missing

1968 (26)

20 (38.46)

1944 (25.97)

4 (16)

Hypertension

No

4646 (61.4)

16 (30.77)

4613 (61.63)

17 (68)

Yes

948 (12.5)

16 (30.77)

928 (12.40)

4 (16)

Missing

1968 (26)

20 (38.46)

1944 (25.97)

4 (16)

Vaccination record

Unvaccinated

1044 (13.8)

16 (30.77)

1025 (13.69)

3 (12)

Once

226 (3)

2 (3.85)

223 (2.98)

1 (4)

Twice

1519 (20.1)

6 (11.54)

1508 (20.15)

5 (20)

Enhanced immunity

2805 (37.1)

8 (15.38)

2785 (37.21)

12 (48)

Missing

1968 (26)

20 (38.46)

1944 (25.97)

4 (16)