Estimation of AIS3+ thoracic injury risks of belted drivers in NASS frontal crashes
Notice bibliographique
Résumé
Real-world field data from the 1988-2001 National Automotive Sampling System (NASS) — Crashworthiness Data System of the United States were examined. The abbreviated injury scale (AIS) was used to relate the injuries. Specifically, the AIS3 + thoracic injury rates of belted drivers in real-world frontal crashes in the United States were investigated. The research consisted of five steps. Firstly, aggregate NASS data (i.e. the total number of AIS3 + injured drivers across the entire crash speed domain) were collected for numerous frontal crash categories. These categories included: primary direction of force (11 o'clock, 12 o'clock and 1 o'clock), crash severity (barrier-like and not barrier-like), gender (men and women), age groups (13–49 and 50–97 years) and level of restraint (belt-only and belt + airbag). Secondly, to control for the effect of these categories and to introduce the effect of crash speed change ( V), a statistical model was constructed to fit the field data. The outcome variable was AIS3 + thoracic injury rate; the predictor variables were V and the aforementioned categories. Thirdly, the resulting logistic fit was compared with the original (unfitted) field data. Conclusions derived from the logistic fit of the field data were consistent with the aggregate NASS data, i.e. for like events: higher-speed crashes were associated with a higher injury risk than lower-speed crashes; higher-severity crashes were associated with a higher injury risk than lower-severity crashes; female drivers exhibited a higher risk than male drivers; older drivers exhibited a higher risk than younger drivers; age effects were more pronounced than the gender effects (e.g. aggregate risk ratios between men and women were about 1.5, whereas ratios between older and younger drivers ranged from 4.2 to 5.5); and belt-only drivers exhibited a higher risk than belted drivers with airbags. Fourthly, the fidelity of the logistic model was evaluated against numerous, published, point estimates of AIS3 + thoracic field injury rates. The correlations were deemed acceptable. Finally, as an example of the utility of the logistic fit results, a set of empirical AIS3 + thoracic risk curves for differing ages (13-49 versus 50-97 years) and genders (male versus women) were derived for belt-only drivers.
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Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,000 | 0,001 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».