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Table 2 Pre ECMO patient characteristics

From: Extracorporeal membrane oxygenation (ECMO) in patients with severe COVID-19 adult respiratory distress syndrome: a systematic review and meta-analysis

Study (author and year)

Patients admitted to ICU

Patients receiving ECMO

(total =194)

Age

ARDS Berlin grading

Days of ventilation pre ECMO

Zhou et al. (2020) [17]

59

5

55.6

N/A

5 (1-20)

Zhang et al. (2020) [18]

48

10

55

GRADE II

N/A

Takeda et al. (2020) [19]

N/A

26

71

GRADE III

3 (0-9)

Jacobs et al. (2020) [20]

N/A

85

52

GRADE III

4 (2.5-6.5)

Yang et al. (2020) [21]

N/A

6

59.7

N/A

N/A

Ruan et al. (2020) [22]

62

7

50

N/A

N/A

Li et al. (2020) [23]

20

8

64.25

GRADE III

6 (0-21)

Guan et al. (2020) [24]

37

5

47

N/A

N/A

Zeng et al (2020) [25]

12

12

50.9

N/A

N/A

Beyls et al. (2020) [26]

N/A

16

62

N/A

4 (1.5-7.5)

Osho et al. (2020) [27]

N/A

6

47

N/A

5.5 (3.5-6.75)

Haye et al. (2020) [28]

N/A

8

57.2

GRADE III

4 (1-9)

  1. N/A not available