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Serologic evidence of maternal exposure to influenza by trimester and risk of bipolar disorder with psychotic features in offspring
| Cases | Controls | ||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| Total | Exposed | Total | Exposed | ||||||
|
| |||||||||
| Gestational Timing of Influenza Exposure | N | N | % | N | N | % | Odds Ratio | 95% CI | P |
| First Trimester | 21 | 7 | 33.3 | 42 | 6 | 14.3 | 3.36 | 0.83–13.55 | 0.09 |
| Second Trimester | 30 | 6 | 20.0 | 60 | 5 | 8.3 | 4.00 | 0.77–20.87 | 0.10 |
| Third Trimester | 24 | 1 | 4.2 | 48 | 2 | 4.2 | 1.00 | 0.05–18.92 | 1.00 |
