Final answer:
An estimated over 100,000 American soldiers died during the Revolutionary War, with the exact percentage of Patriot troops who died not known. Disease was a major cause of death due to unsanitary conditions in military camps.
Step-by-step explanation:
The percentage of Patriot troops who died in the Revolutionary War is not precisely known. However, it is estimated that over 100,000 American soldiers died during the war.
This number includes both soldiers who died in battle and those who succumbed to diseases like smallpox. Disease was a major factor in the death toll, as unsanitary and crowded conditions in military camps contributed to the spread of illnesses.