Meltzer's research puts this phase of the slave trade's overall mortality at 12.5%.

By contrast, a study in Sudan reported a small increase in overall mortality.

The overall mortality in those patients classified as having the sepsis syndrome was 50%.

But when the control and treated men were compared nine years later, it became possible to show a statistically significant decrease in overall mortality.

Surgery for severe obesity is associated with long-term weight loss and decreased overall mortality.

The screening group, however, had a higher overall mortality compared with the control group.

The overall mortality from alcohol use was found to be similar to that of the effect of physical inactivity.

Why does the pattern of distribution not reflect overall mortality?

They however have no effect on overall one-year mortality and are associated with increased rates of pneumonia.

There is paucity of published data directly comparing the two, but overall mortality in these conditions appears to be very similar.