Table 2.
Newcastle–Ottawa quality assessment form for cohort studies
| Study identification | DOP | Selection | Comparability | Outcome | 9. Overall score | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1. Representativness of the exposed cohort | 2. Selection of the non-exposed cohort | 3. Ascertainment of exposure | 4. Demonstration that outcome of interest was not present at start of study | 5. Comprability of cohort on the basis of the design or analysis | 6. Assessment of outcome | 7. Was follow-up long enough for outcomes to occur | 8. Adequacy of follow up of cohorts | |||
| Gondran-Tellier [1] | 2019 | a | c | a | a | a | c | a | a | 6 |
| Fournierg [2] | 2014 | c | c | a | a | a | c | a | a | 5 |
| Ngninkcj [3] | 2005 | d | c | a | a | c | d | a | a | 4 |
| Peyronnet [4] | 2018 | a | c | a | a | c | a | a | a | 6 |
| Phé [5] | 2014 | a | c | a | a | c | d | a | a | 5 |
| Rouprêt [6] | 2009 | a | c | a | a | c | d | a | a | 5 |
| Tricard [7] | 2019 | a | c | a | a | c | d | a | a | 5 |
| Vayleux [8] | 2011 | a | c | a | a | c | d | a | a | 5 |
| George [9] | 1992 | a | c | a | a | c | d | a | a | 5 |
| Biardeau [10] | 2015 | c | c | a | a | a | c | a | a | 5 |
| Bracchitta [11] | 2019 | a | c | a | a | a | c | a | a | 6 |
| Broudeur [12] | 2021 | a | c | a | a | a | c | a | a | 6 |
| Chung [13] | 2010 | a | c | a | a | a | d | a | a | 6 |
| Chung [14] | 2010 | a | c | a | a | a | c | a | a | 6 |
| Costa [15] | 2001 | a | c | a | a | a | a | a | a | 7 |
| Denormandie [16] | 2021 | b | c | a | a | a | c | a | a | 5 |
| Diokno [] | 1987 | a | c | a | a | a | c | a | a | 6 |