Table 2 Methodological quality assessment of cohort studies using the Newcastle-Ottawa Scale
From: Association between osteoporosis and benign paroxysmal positional vertigo: a systematic review
Study | Jang 2009[11] | Parham 2013[14] |
|---|---|---|
SELECTION | ||
Representativeness of the exposed cohort | ☆ | ☆ |
Selection of the non-exposed cohort | ☆ | ☆ |
Ascertainment of exposure | ☆ | ☆ |
Demonstration that outcome of interest was not present at start of study | ☆ | ☆ |
COMPARABILITY | ||
Comparability of cohorts on the basis of the design or analysis | ☆ | ☆ |
EXPOSURE | ||
Ascertainment of exposure | ☆ | ☆ |
Was follow-up long enough for outcomes to occur | ||
Adequacy of follow up of cohorts | ||
Total number of star | 5 | 5 |