The phrase "death rate reached" is correct and usable in written English.
You could use it when describing the effect of an event or trend on a population's mortality rate. For example, "The death rate reached an all-time high after a devastating hurricane struck the region."
In the 1990s the death rate reached its highest level of the 20th century (excluding wartime).
The death rate reached 50%% after 24 h and 80%% after 28 days for the quantile of patients receiving a dosage of norepinephrine above 0.75 µg/kg/min.
Deaths occurred until 21 dpi; the death rate reached 65%.
After 1 month, the death rate reached 1.08% in Saint-Michel-de-l'Attalaye.
Thus, the death rate reached 31% in animals that were anesthetized with chloral hydrate (14/45) and 33% in anesthetized animals using isoflurane (15/45).
However, this death rate reached as high as 44% among colonies in the region after the arrival of WNV in 2002, and annual losses since then have remained elevated (typically 7 8×) in most years (4 ).
If infectious disease experts have a worst nightmare, it is that a new, very contagious disease with a high death rate reaches an international airline hub -- a place like Hong Kong, for instance -- and hops to other countries before anyone even notices it.
Starvation probably killed 5 to 15 per cent of the Scottish population, but in areas like Aberdeenshire death rates reached 25 per cent.
Death rates reached up to 32%.
In southern Brazil, notification and death rates reached 110 cases and 3.0 deaths per 100,000 population, and a 4.6% case-fatality rate was observed among reported patients (2).
These events coincide with and are required for the abrupt cessation in bacterial outgrowth at ∼3 weeks post-infection, whereupon replication and death rates reach an equilibrium and bacterial numbers are maintained at near steady-state levels [13].
