Traffic can be heavy with gawking adding to the hazard factor, so extra caution for both drivers and pedestrians is a must.
"This fracture is entirely preventable," said Dr. Holt, who has created a warning poster for local pediatrician offices and a You Tube video alerting parents to the hazard.
There was also a strong trend toward increasing survival, with the risk of death being reduced by 25 percent, according to the hazard ratio.
Though the oil added to the hazard, the coal was worse, covering him with black dust as though he had been down a mine.
"This relative risk is similar to the hazard associated with driving with a blood alcohol level at the legal limit," the researchers wrote in The New England Journal of Medicine.
Several independent assessments of the F.D.A. have called attention to the agency's poor organization and shortage of funds — and to the hazard those shortfalls pose to the nation's supply of food and medicinal drugs.
If the actual impact equals to the threshold value, then, the system is neutral to the hazard, that is, the system vulnerability to the hazard is zero.
Cleaning products, air fresheners and non-stick frying pans can be added to the hazard list.
If the actual impact is below the threshold, the system is robust to the hazard.
The value leading to the hazard ratio (HR) with the highest significance was used as cutoff.
As hazard models become more accurate errors due to the hazard module will decrease.
