Table 1 Descriptive characteristics of the study sample. Mean (SD) and median (min-max) or n (%)

Age at infection, years

    Mean (SD)

62.9 (11.0)

62.3 (8.3)

63.7 (14.6)

    Median (min-max)

63.5 (31–93)

63.5 (43–77)

64.0 (31–93)

BMI

    Mean (SD)

29.5 (6.2)

30.1 (5.2)

28.6 (7.7)

    Median (min-max)

28.6

29.0

26.1

(18.7–51.4)

(19.0–44.8)

(18.7–51.4)

Length of stay, days

    Median (min-max)

22 (5–175)

23 (5–175)

22.0 (6–90)

Need of ICU care

    Yes (%)

31 (60)

21 (66)

10 (50)

    No (%)

21 (40)

11 (34)

10 (50)

Intubated

    Yes (%)

21 (40)

15 (47)

6 (30)

    No (%)

31 (60)

17 (53)

14 (70)

If yes, intubated, days (%)

    1–5

3 (14)

2 (13)

1 (17)

    6–10

4 (20)

1 (6)

3(49)

    11–15

1 (5)

0

1 (17)

    16–20

3 (14)

2 (13)

1 (17

    21–30

3 (14)

3 (20)

0

    > 31

6 (28)

6 (40)

0

    Unclear

1 (5)

1 (6)

0

HFNC/Optiflow, days (%)

    Yes

35 (67)

23 (72)

12 (60)

    No

14 (27)

7 (22)

7 (35)

    Unclear

3 (6)

2 (6)

1 (5)

Tracheostomy, days (%)

    Yes

14 (27)

12 (38)

2 (10)

    No

38 (73)

20 (62)

18 (90)

Pulmonary disease’

    In total

15

8

7

    COPD

7

2

2

    Asthma

8

5

3

    Sarcoidosis

1

1

0

Smoker

    Yes (%)

4

1

3

    No (%)

23

16

7

    Former smoker (%)

25

5

9

Physical activity prior Covid-19 infection (SGPALS)

    Physically inactive, n (%)

17 (33)

10 (31)

7 (35)

    Light physical activity, n (%)

22 (42)

13 (41)

9 (45)

    Moderate physical activity, n (%)

13 (25)

9 (28)

4 (20)

    Vigorous physical activity, n (%)

0 (0)

0 (0)

0 (0)

Phone follow-up, days median (min-max) since discharge

94 (74–131)

92.5 (76–119)

95 (74–131)

CAT

    Total score median, (mi-max)

18 (6–39)

32 (6–39)

22 (8–32)

    Cough

2 (0–5)

2 (0–5)

2 (0–4)

    Mucus

2 (0–5)

2 (0–5)

1 (0–4)

    Chest tightness

2 (0–5)

2 (0–5)

3 (0–5)

    Dyspnoea during activity

4 (1–5)

4 (1–5)

4 (2–5)

    Limitations at home

3 (0–5)

2 (0–5)

3 (0–5)

Physical activity (SGPALS)

    Physically inactive, n (%)

17 (33)

8 (25)

9 (45)

    Light physical activity, n (%)

23 (44)

15 (47)

8 (40)

    Moderate physical activity, n (%)

10 (19)

7 (22)

3 (15)

    Vigorous physical activity, n (%)

2 (4)

2 (6)

0 (0)

PCFS

    Severe limitations

2

1

1

    Moderate limitations

7

3

4

    Slight limitations

14

7

7

    Negligible limitation

14

18

4

    No limitations

22

6

3

3