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Table 4 Comparison of ARDS populations reported as mean ± SD or median (IQR)

From: Long-term quality of life in patients with acute respiratory distress syndrome requiring extracorporeal membrane oxygenation for refractory hypoxaemia

 

Current study

ECMO Group UK study[17]

REVA[28]

Non-ECMO ARDS Canada[20]

Follow-up, months

8

6

12

6

Number

21

90

12

117

Age, years

36 ± 12

40 ± 13

36 (30, 39)

45 (36, 58)

APACHE II

20 ± 6

20 ± 6

n/a

23 (17, 27)

Pneumonia (%)

100

62

100

53

ICU LOS, days

21 (15, 29)

24 (13, 41)

38 (19, 67)

25 (15, 45)

Hospital LOS, median days

28 (15, 29)

35 (16, 74)

 

48 (27, 77)

ECMO, %

100

76

100

n/a

Death at 6 months, n/study population (%)

3/21 (14)

33/90 (37)

24/67 (36)

78/196 (40)

Lowest PaO2/FiO2 ratio (day 1)

80 ± 40

76 ± 30

< 50*

< 200*

PEEP

15 ± 4.7

13.7 ± 9.6

≥ 5*

n/a

  1. Results are presented as mean ± SD or median (interquartile range, IQR) unless stated otherwise. ARDS, acute respiratory distress syndrome; ECMO, extracorporeal membrane oxygenation; LOS, length of stay; N, numbers of patients included in the study; n/a, not available; PaO2/FiO2, ratio of partial pressure of oxygen to fraction of inspired oxygen; PEEP, positive end expiratory pressure; *study inclusion criteria.