Extracorporeal Membrane Oxygenation in Cardiogenic Shock due to Acute Myocardial Infarction: A Systematic Review

Table 6

Newcastle-Ottawa scale for assessment of quality of included studies (each asterisk represents if individual criterion within the subsection was fulfilled).

Quality assessment; Criteria	Acceptable ()	Wu et al.	Chang et al.	Guenther et al.	Fu et al.	Huang et al.	Chou et al.	Sandoval et al.	Jeon et al.	Negi et al.
(1) Representativeness of the exposed cohort	Representative of average adult in community (age/sex/being at risk of disease)
(2) Selection of the nonexposed cohort	Drawn from the same community as the exposed cohort			—	—	—		—	—	—
(3) Ascertainment of exposure	Secure record, structured interview
(4) Demonstration that outcome of interest was not present at the start of the study
(5) Adequate control for the most important confounder?					—		—		—
(6) Adequate control for any additional factor?					—			—	—	—
(7) Assessment of outcome	Independent or blind assessment
(8) Was follow-up long enough for outcomes to occur?						—
(9) Adequacy of follow-up of cohorts	Complete follow-up, or subjects lost to follow-up unlikely to introduce bias				—	—
Overall quality score ()		9	9	8	5	6	8	7	6	7