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Table 1 Characteristics of available studies on the relationship between obesity and COVID-19

From: Obesity is associated with severe disease and mortality in patients with coronavirus disease 2019 (COVID-19): a meta-analysis

Number

Author

Year

Country

Patients

BMI

Outcomes

1

Natasha N

2020

USA

238

30

1.7 (1.1–2.8) for mortality

2

Céline

2020

France

347

30

3.0 (1.0–8.7) for severity

3

Nikroo

2020

USA

363

NA

1.23 (0.77–1.98) for mechanical ventilation;1.26 (0.79–1.98) for ICU; 1.03 (0.51–2.09) for mortality

4

Edgar

2020

Mexico

140

NA

2.3265 (1.0133–5.3415) for ICU

5

Bo

2020

USA

58

30

1.98 (0.56–7.72) for hospitalisation; 2.04 (0.5–8.4) for mortality

6

Marie E

2020

USA

531

30

1.9 (1.1–3.3) for hospitalisation

7

Geehan

2020

USA

463

40

2.0 (1.4–3.6) for ICU

8

Eduardo

2020

Mexico

32,583

NA

6.92 (5.54–8.65) for infection

9

Michael

2020

USA

1000

30

1.2911 (0.9478–1.7587) for ICU

10

Xiao

2020

USA

NA

NA

0.94 (0.86, 1.02) for mortality

11

Mark

2020

UK

387,109

30

1.97 (1.61, 2.42) for hospitalisation

12

Philip

2020

USA

50

NA

14.4 (2.7052–76.6517) for severity

13

Juan

2020

Bolivia

107

NA

12.125 (1.690–86.948) for mortality

14

Stefano

2020

Italy

132

30

1.526 (1.243–1.874) for ICU

15

J.M.

2020

Spain

172

30

4.725 (1.6143–13.8302) for ICU

16

Omar

2020

Mexico

177,133

NA

1.5790(1.5358–1.6235) for infection

17

Nicole

2020

USA

928

NA

0.99 (0.58–1.71) for mortality

18

Kaveh

2020

USA

770

30

1.76 (1.24–2.48) for ICU; 1.72 (1.22–2.44) for mechanical ventilation; 1.15 (0.62–2.14) for mortality

19

Luca

2020

Italy

92

30

4.19 (1.36–12.89) for mechanical ventilation; 11.65 (3.88–34.96) for ICUs; 0.27 (0.03–2.05) for mortality

20

Eboni G

2020

USA

3626

30

1.43 (1.20–1.71) for hospitalization

21

Frederick S

2020

USA

105

30

1.2908 (0.5936–2.8071) for severity

22

Eyal

2020

USA

3406

40

1.6 (1.2–2.3) for the older population mortality

23

Andrea

2020

Italy

233

NA

3.04 (1.42–6.49) for mortality

24

Annemarie B1

2020

UK

20,133

NA

1.33 (1.19 to 1.49) for mortality

25

Qingxian

2020

China

383

28

3.4 (1.4–8.26) for severity

26

Jerry Y

2020

USA

67

30

0.8000 (0.1784–3.5872) for ICU

27

Markos

2020

USA

103

30

6.85 (1.05–44.82) for mechanical ventilation; 2.65 (0.64–10.95) for ICU

28

Arthur

2020

France

124

30

3.45 (0.83–14.31) for mechanical ventilation

29

Simon

2020

UK

3802

30

1.41 (1.04–1.91) for infection

30

Kenneth I

2020

China

214

25

6.32 (1.16–34.54) for severity

31

Ling

2020

China

323

30

1.2514 (0.3735–4.1935) for severity

32

Leonidas

2020

USA

200

35

3.78 (1.45–9.83) for mortality

33

Christopher

2020

USA

5279

30

1.8 (1.47 to 2.2) for hospitalisation

34

Rui

2020

China

202

28

9.219 (2.731–31.126) for severity

35

Feng

2020

China

150

25

2.91 (1.31–6.47) for severity

36

Matteo

2020

Italy

482

30

4.96 (2.53–9.74) for ICU; 12.1 (3.25–45.1) for mortality

37

Malcolm

2020

France

83

30

6.7879 (2.5923–17.7739) for infection

38

Mohamed

2020

USA

504

30

1.3 (1.0–1.7) for mortality; 2.4 (1.5–4.0) for mechanical ventilation

39

Yudong Peng

2020

China

244

24

8.5853 (4.1817–17.6260) for mortality

40

Ming Deng

2020

China

65

28

14 (2.0799–94.2358) for severity

41

Marta Crespo

2020

Spain

16

NA

5 (0.5842–42.7971) for mortality

42

Danielle Toussie

2020

USA

338

30

3.0 (1.6–5.6) for infection

43

Michelle Elias

2020

France

1216

30

3.31 (1.90 to 5.77) for infection

44

Sudham Chand

2020

USA

300

30

1.35 (0.88,2.06) for mortality

45

Justin S. Brandt

2020

USA

183

30

0.875 (0.3466–2.2088) for infection

46

Astrid Lievre

2020

France

1289

30

1.1461 (0.8165–1.6088) for mortality