They reported casualty rates of 70 to 80 percent in some places.

The division's casualty rate is running higher than at any time in the last year.

The average annual casualty rate in previous years was 9.

And when the military does go, one key criterion of its success is a small casualty rate.

Conditions of work were very poor, with a high casualty rate from rock falls.

With our high casualty rate we had difficulty in getting the men to drive ahead.

The casualty rate among officers is particularly high at the front.

The force lost 600 men in the campaign, a casualty rate of 75%.

That is a higher casualty rate than many military units.

Their casualty rates were among the highest of the war.