List of metropolitan areas by population. One concept which measures the world's largest cities is that of the metropolitan area, which is based on the concept of a labor market area and is typically defined as an employment core (an area with a high density of available jobs) and the surrounding areas that have strong commuting ties to the core.
Average Costs. In treatment year 1, the average costs per patient diagnosed with PTSD ($8,300), TBI ($11,700), or both ($13,800) were much higher than the average costs for those with neither PTSD nor TBI ($2,400) (see Table 2 and Figure 3 on page 20).
Typical costs: Physicians are likely to prescribe one or more medications to treat HIV/AIDS . Most private insurers cover the cost of HIV/AIDs treatments and medications, requiring covered members to be responsible for copays that typically range from $10-$30 per prescription.