Table 3 Multiple logistic regression model for SCR in all participants

Long-COVID symptoms

Number of Long-COVID symptoms (at follow-up)

1.27

(1.13, 1.41)

< 0.001

1.13

(1.00, 1.27)

0.05

1.23

(1.09, 1.38)

< 0.001

1.34

(1.19, 1.50)

< 0.001

1.26

(1.16, 1.36)

< 0.001

Patient Demographics

Post-ED

0.82

(0.43, 1.58)

0.56

1.39

(0.73, 2.65)

0.32

2.59

(1.35, 4.96)

0.004

3.84

(2.00, 7.37)

< 0.001

1.82

(1.19, 2.79)

0.006

Age (years)

1.00

(0.98, 1.03)

0.82

1.03

(1.00, 1.06)

0.023

1.02

(0.99, 1.04)

0.22

1.01

(0.98, 1.03)

0.72

1.02

(1.00, 1.03)

0.06

Sex = Male

1.52

(0.82, 2.82)

0.18

1.03

(0.56, 1.88)

0.93

0.81

(0.45, 1.45)

0.48

0.67

(0.37, 1.21)

0.18

1.04

(0.70, 1.54)

0.84

Ethnicity = Ethnic minorities

0.72

(0.40, 1.30)

0.27

0.91

(0.49, 1.66)

0.74

1.28

(0.70, 2.33)

0.42

1.09

(0.59, 2.01)

0.78

0.93

(0.62, 1.37)

0.70

Ever smoked

0.77

(0.43, 1.38)

0.38

1.27

(0.71, 2.30)

0.42

0.97

(0.53, 1.75)

0.91

2.04

(1.11, 3.74)

0.022

1.09

(0.94, 1.60)

0.68

BMI (kg/m²)

1.02

(0.96, 1.07)

0.59

1.03

(0.98, 1.09)

0.28

1.07

(1.02, 1.13)

0.010

1.00

(0.94, 1.05)

0.85

1.00

(0.96, 1.04)

0.89

CFS on admission

1.05

(0.80, 1.39)

0.71

0.86

(0.65, 1.15)

0.32

1.17

(0.88, 1.54)

0.28

0.85

(0.63, 1.16)

0.32

0.91

(0.76, 1.09)

0.31

Patient Co-morbidities

Cardiac disease (any)

0.86

(0.26, 2.88)

0.81

1.52

(0.56, 4.15)

0.41

0.78

(0.25, 2.41)

0.66

2.59

(1.00, 6.67)

0.05

1.19

(0.59, 2.14)

0.63

Cerebrovascular disease

0.30

(0.03, 2.84)

0.29

1.45

(0.36, 5.73)

0.60

0.33

(0.06, 1.92)

0.22

1.65

(0.33, 8.23)

0.54

1.24

(0.44, 3.50)

0.69

Chronic kidney disease

0.57

(0.12, 2.64)

0.47

0.29

(0.06, 1.35)

0.11

0.26

(0.06, 1.23)

0.09

0.76

(0.16, 3.56)

0.72

0.65

(0.26, 1.64)

0.36

Diabetes

1.08

(0.37, 3.15)

0.89

0.82

(0.31, 2.18)

0.69

0.30

(0.10, 0.89)

0.031

1.01

(0.36, 2.85)

0.99

0.76

(0.38, 1.52)

0.44

Hypertension

0.79

(0.28, 2.27)

0.66

0.72

(0.29, 1.83)

0.49

0.55

(0.22, 1.41)

0.21

1.29

(0.51, 3.28)

0.59

0.86

(0.46, 1.64)

0.65

Immunosuppressed

0.74

(0.17, 3.28)

0.69

1.25

(0.37, 4.17)

0.72

0.59

(0.14, 2.42)

0.46

0.55

(0.13, 2.29)

0.41

0.86

(0.36, 2.03)

0.72

Lung condition (any)

0.58

(0.17, 1.91)

0.37

0.59

(0.20, 1.75)

0.34

0.66

(0.24, 1.81)

0.42

0.82

(0.28, 2.43)

0.73

0.70

(0.34, 1.45)

0.34

Mental health condition (any)

0.33

(0.08, 1.41)

0.14

0.43

(0.12, 1.54)

0.20

0.65

(0.21, 2.02)

0.46

2.49

(0.91, 6.81)

0.08

1.05

(0.49, 2.24)

0.91

Number of pre-existing morbidities

1.18

(0.54, 2.57)

0.69

1.30

(0.70, 2.42)

0.41

1.65

(0.88, 3.08)

0.12

0.89

(0.48, 1.62)

0.69

1.15

(0.73, 1.80)

0.55

Patient Admission data

Number of acute COVID-19 symptoms

0.88

(0.74, 1.04)

0.14

0.94

(0.79, 1.12)

0.47

0.75

(0.62, 0.90)

0.002

0.94

(0.80, 1.12)

0.51

0.87

(0.77, 0.97)

0.018

Symptom onset to follow-up date (days)

1.00

(0.99, 1.01)

0.68

0.99

(0.98, 1.00)

0.06

1.00

(0.99, 1.01)

0.47

0.99

(0.98, 1.00)

0.10

0.99

(0.99, 1.00)

0.06