Table 2 Quality assessment using the Newcastle-Ottawa scale
From: The Association of obesity with vascular complications after liver transplantation
Studies | The Newcastle-Ottawa Scale | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Selection | Comparability | Outcome | Total score | ||||||
Representativeness of the exposed cohort (maximum:★) | Selection of the non exposed cohort (maximum:★) | Ascertainment of exposure (maximum:★) | Demonstration that outcome of interest was not present at start of study (maximum:★) | Comparability of cohorts on the basis of the design or analysis (maximum:★★) | Assessment of outcome (maximum:★) | Was follow-up long enough for outcomes to occur (maximum:★) | Adequacy of follow up of cohorts (maximum:★) | ||
Nair (2001) [15] | ★ | ★ | ★ | – | – | ★ | ★ | – | ★★★★★ |
Fujikawa (2006) [21] | ★ | ★ | ★ | – | – | – | ★ | – | ★★★★ |
Lamattina (2012) [13] | ★ | ★ | ★ | – | – | – | ★ | – | ★★★★ |
Hakeem (2013) [16] | ★ | ★ | ★ | – | – | ★ | ★ | – | ★★★★★ |
Tanaka (2013) [22] | ★ | ★ | ★ | – | – | ★ | ★ | – | ★★★★★ |
Gunay (2013) [23] | – | ★ | ★ | ★ | – | ★ | ★ | ★ | ★★★★★★ |
Triguero (2015) [24] | ★ | ★ | ★ | – | – | ★ | ★ | – | ★★★★★ |
Molina (2016) [14] | ★ | ★ | ★ | – | – | ★ | ★ | – | ★★★★★ |