WASHINGTON — The families of seven soldiers who died in Iraq or Afghanistan were given incorrect or misleading information about the deaths, the Army has concluded after a review of war casualty reports. The review, which began last summer, covered hundreds of casualty reports and marked the first step in a new process ordered by Army Secretary Francis Harvey to ensure that families receive accurate information.

An Army spokesman, Lieutenant Colonel Kevin Arata, said yesterday that the review found seven cases in which families were given erroneous information. The best-known was Corporal Patrick Tillman, the former National Football League player whose family initially was told he had been killed by enemy forces in Afghanistan. After Tillman’s memorial service, the family was told the truth: He was killed unintentionally by gunfire from his fellow soldiers.

The Tillman case triggered a series of highly publicized Army investigations, leading to Mr. Harvey’s decision last April to begin a unit-level investigation of every soldier’s death, rather than only under certain circumstances.

In general, the Army has said misunderstandings and miscommunication are to blame for incorrect reporting.