Table 4 Newcastle–Ottawa Scale assessment for case–control studies (Ottawa Hospital Research Institute 2019; Singh et al. 2015)
From: Safe use of radiopharmaceuticals in patients with chronic kidney disease: a systematic review
Study | Selection | Comparability | Exposure | Total score | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Adequate definition of case | Representativeness of cases | Selection of controls | Definition of controls | Comparability of cases and controls on the basis of the design or analysis | Study controls for any additional factor | Ascertainment of exposure | Same method of ascertainment for cases and controls | Non-response rate | ||
AktaÅŸ et al. (2008) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | * | 0 | 1 |
El-Zeftawy et al. (2017) | 0 | * | 0 | 0 | * | * | 0 | * | 0 | 4 |
Kode et al. (2017) | 0 | * | 0 | 0 | * | * | 0 | * | 0 | 4 |
Tobes et al. (1989) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | * | 0 | 1 |
Toriihara et al. (2015) | 0 | * | 0 | * | * | * | 0 | * | 0 | 5 |