They seem to have a high mortality rate among children.
Medical help was not available which led to a high mortality rate.
The district had a higher than average mortality rate of 28.1 per 1000 in 1848.
The whole mortality rate of the present series was 68%.
In a hot summer, the mortality rate was very high.
The mortality rate was very high, particularly among the children.
Men over 79 had a higher mortality rate than did women, the study said.
Since 1990 the mortality rate for cancer has come down.
But not only for this reason, the mortality rate was high.
The under five mortality rates for the county are 149/1000.