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Exposure measurement in the association between periodontal disease and prematurity/low birth weight


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Texto completo: acesso restrito. p. 957-963

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Aim: To compare the use of different definitions for exposure measurement in cases of association between periodontal disease (PD) and prematurity and/or low birth weight (PLBW). Material and Methods: A database from a previous case–control study was used to compare four different definitions for periodontitis: at least one site with probing depth geqslant R: gt-or-equal, slanted4 mm (1); at least one site with clinical attachment loss (CAL)geqslant R: gt-or-equal, slanted3 mm (2); at least four teeth with one or more sites presenting probing depth geqslant R: gt-or-equal, slanted4 mm, with CALgeqslant R: gt-or-equal, slanted3 mm at the same site (3); and at least four teeth with one or more sites with probing depth geqslant R: gt-or-equal, slanted4 mm, with CALgeqslant R: gt-or-equal, slanted3 mm at the same site and presence of bleeding on probing (4). The PD frequency, diagnostic values and adjusted association measurements were calculated. Results: PD frequency ranged from 33.1% to 94.7%. Odds ratioadjusted varied slightly according to the exposure measurement used. Conclusions: The association between PD and PLBW weight was consistent, except for exposure measurement 1, i.e. using at least one site with CALgeqslant R: gt-or-equal, slanted3 mm for periodontitis diagnosis, while the magnitude of this varied according to the definition established.

Tipo de Documento Artigo científico
Idioma Inglês
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