Rhesus D Incompatibility and Schizophrenia Risk
Author Information
Author(s): Christina G.S. Palmer, Erin Mallery, Joni A. Turunen, Hsin-Ju Hsieh, Leena Peltonen, Jouko Lonnqvist, J. Arthur Woodward, Janet S. Sinsheimer
Primary Institution: University of California, Los Angeles
Hypothesis
Does the risk for schizophrenia due to Rhesus D incompatibility differ by offspring sex?
Conclusion
Rhesus D incompatibility increases the risk of schizophrenia, particularly in male offspring.
Supporting Evidence
- Rhesus D incompatibility was found to significantly increase schizophrenia risk in males.
- Meta-analysis supported the finding that the risk is limited to male offspring.
- Previous studies indicated a higher incidence of schizophrenia in males compared to females.
Takeaway
This study found that boys are more likely to develop schizophrenia if their mothers had a blood type incompatibility during pregnancy.
Methodology
The study used a nuclear family-based candidate gene approach and meta-analysis to analyze Rhesus D genotype data.
Potential Biases
Potential bias due to reliance on historical medical records for some data.
Limitations
The sample size for affected females was smaller, which may limit the ability to detect a female effect.
Participant Demographics
The study included 277 nuclear families with children diagnosed with schizophrenia, with a mix of male and female offspring.
Statistical Information
P-Value
0.03
Confidence Interval
90% CI: 1.05–1.98 for males; 90% CI: 0.74–1.70 for females
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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