From: Maternal drug use and the risk of anorectal malformations: systematic review and meta-analysis
 | Maternal use of thyroid medication |  | |||
---|---|---|---|---|---|
Ref. | First author, year | Exposure | ORcrude [95% CI] | ORadj [95% CI] | Adjustment/matching factors |
[53] | Zwink and Choinitzki, 2015 | Thyroid hormone supplementations | 1.0 [0.25, 3.74]b | – | – |
0.4 [0.10, 1.54]c | Â | Â | |||
[75] | Källén and Wikner, 2014 | Thyroxin | 1.9 [1.00, 1.85]a | – | – |
[61] | Browne, 2009 | Anti-thyroid medication | 8.6 [1.7, 40.2] | – | – |