Table 2.
Newcastle-Ottawa scale score of the reviewed studies
| Study | Selection (4 stars) | Comparability (2 stars) | Outcome (3 stars) | Total score | |||||
|---|---|---|---|---|---|---|---|---|---|
| Representativeness of the hypertensive cohort | Selection of the non-hypertensive cohort | Ascertainment of hypertension | Demonstration that outcome of interest was not present at start of study | Assessment of outcome | Was follow up long enough for outcomes to occur? | Adequacy of follow up of cohort | |||
| Rini (a) | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Szmit | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | ★ | 9 |
| Bono | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Fujita | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Eechoute | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Rini (b) | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Motzer | – | ★ | ★ | ★ | – | ★ | ★ | ★ | 6 |
| Hong | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Nakano | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Fujita | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Eto | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Rini (c) | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Zhang (a) | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Kucharz | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Izzedine | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | 8 |
| Donskov | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Zhang (b) | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Goldstein | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | ★ | 9 |
| Miyake | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Fukuda | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
| Matias | ★ | ★ | ★ | ★ | – | ★ | ★ | ★ | 7 |
—: The data were not available in this study