Chlamydia pneumoniae infection predicts a reduced risk for subsequent atopic disease
Bibliographic record
Abstract
AIM: To investigate long-term effects on children previously infected with Chlamydia pneumoniae. METHODS: A follow-up questionnaire was sent to all participants from a former population-based study in order to investigate health status during the 4 y that had elapsed between the two studies. In the original study, the prevalence of C. pneumoniae infection was 23% as determined by PCR analyses on throat swab specimens. These PCR results were found to have no detectable correlation for clinical disease. The main outcome measures in this follow-up study were the reported prevalence of respiratory tract infections, asthma and allergy. RESULTS: Approximately 83% completed the follow-up questionnaire. No increase in respiratory tract infections was reported by children previously found to have C. pneumoniae infection. A diagnosis of allergy was more common in the former PCR-negative population (13.4% vs 4.7%, p<0.03). The differences were most apparent in the population with atopic heredity. In a logistic regression model with different suggested risk factors for allergy, earlier infection with C. pneumoniae reduced the risk for allergy (OR=0.13; 95% CI: 0.02-0.99). This was not found for asthma. CONCLUSION: A positive PCR test for C. pneumoniae in young children was associated with a lower risk of developing allergic airway disease in this study population, and did not predict an increase in respiratory tract infections.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".