TABLE 2

Extracorporeal membrane oxygenation (ECMO) admission investigation findings

Survivors (n=29)Nonsurvivors (n=14)Total (n=43)
CT thorax
 Alveolar consolidation29 (100)14 (100)43 (100)
 Ground-glass opacities29 (100)14 (100)43 (100)
 Pneumothorax3 (10.3)2 (14.3)5 (11.6)
 Pneumomediastinum4 (13.8)4 (28.6)8 (18.6)
 Pulmonary embolism7 (24.1)5 (35.7)12 (27.9)
Echocardiogram
 Left ventricular impairment1 (3.4)0 (0)1 (2.3)
 Right ventricular impairment3* (10.3)5* (35.7)8 (18.6)
CT head
  •  Subarachnoid haemorrhage

3 (10.3)3 (21.4)6 (14.0)
  With sulcal effacement0* (0)2* (14.3)2 (4.7)
  •  Subdural haemorrhage

1 (3.4)0 (0)1 (2.3)
  •  Ischaemic infarction

0** (0)3** (21.4)3 (7.0)
Laboratory values#
  •  Haemoglobin

99 (92–102)95 (86–107)97 (89–106)
  •  Lymphocyte count

0.8 (0.5–1.3)0.6 (0.4–0.8)0.6 (0.5–1.1)
  •  Neutrophil:lymphocyte ratio

11.2 (9.2–19.3)17.8 (12.1–24.2)12.8 (9.2–22.5)
  •  Platelet count

247 (203–344)214 (121–329)245 (163–339)
  •  Creatinine

73* (53–192)169* (98–347)96 (66–237)
  •  Bilirubin

16 (9–22)15 (12–20)15 (11–22)
  •  Ferritin

1903 (904–3800)2251 (1308–5435)1907 (1153–4083)
  •  C-reactive protein

291 (217–388)344 (328–361)326 (245–368)
  •  Procalcitonin

1.24* (0.76–6.43) (n=28)6.3* (2.99–16.27)3.96 (1.15–9.01) (n=42)
  •  D-dimer

9.5* (5.2–31.7)38.2* (10.9–60.5)11.7 (6.4–41.7)
  •  Troponin

26 (16–40) (n=24)98 (25–132) (n=7)28 (15–70) (n=31)

Data are presented as n (%) or median (interquartile range). CT: computed tomography #: Units for laboratory values: haemoglobin in g·dL−1, lymphocyte count in 109·L−1, platelet count per µL, creatinine/bilirubin µmol·L−1, ferritin in µg·L−1, C-reactive protein in mg·L−1, procalcitonin in ng·mL−1, d-dimer in mg·L−1 fibrinogen equivalent units and troponin in ng·L−1. *: p=0.01–0.05; **: p<0.01.