Medical mistakes by hospital staff in the Australian state of Victoria killed 23 patients in 2008–09, a new report said.

The Department of Human Services annual Sentinel Events report said of the 23, one patient died after being given the wrong medication by a nurse and seven patients committed suicide in medical care. It is not clear how the other 15 patients died.

In addition, 68 serious medical errors were reported.

Other errors included instruments or materials left inside three surgery patients and another patient receiving the wrong blood in a transfusion.

In 2008, 28 deaths and 102 serious errors were reported by Victoria’s public hospitals.