Clinical, microbiological and molecular characteristics of six cases of group A streptococcal meningitis in western Norway
Bibliographic record
Abstract
Meningitis is a rare clinical manifestation of invasive group A streptococcal (iGAS) disease. Clinical, microbiological and molecular characteristics of 6 consecutive cases of GAS meningitis treated in Haukeland University Hospital in the period 2004-2009 are described. All 6 patients had a primary upper respiratory tract infection, with subsequent mastoiditis in 5, subdural effusions in 2, and cerebral abscess in 1. Five patients needed surgical treatment (myringotomy, craniotomy or mastoidectomy). All patients were treated with a beta-lactam antibiotic in combination with rifampicin. The course was complicated in all cases, and 1 patient died. Three of the bacterial isolates were of the sequence type emm1.0 and they shared the same superantigen gene profile (speA, speG, speJ, smeZ). The remaining 3 isolates belonged to sequence types emm 3.1, emm6.4 and emm12.0. Deletions in emm genes were observed. This report describes the severe and complicated course of GAS meningitis and its management, often requiring surgical intervention.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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 | 0.000 |
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".